diff --git a/docs/userguide/layout/Examples.ipynb b/docs/userguide/layout/Examples.ipynb
new file mode 100644
index 00000000..71ee8215
--- /dev/null
+++ b/docs/userguide/layout/Examples.ipynb
@@ -0,0 +1,181 @@
+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "id": "03863eaf-3771-47c3-bf76-dec842375ae0",
+   "metadata": {},
+   "source": [
+    "# Example Layouts\n",
+    "\n",
+    "This section provides useful layout specifications."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "id": "41a72bcd-9e6d-4330-9f41-fd0d60ab545e",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Failed to import module h5tbx\n"
+     ]
+    }
+   ],
+   "source": [
+    "from h5rdmtoolbox import layout\n",
+    "from h5rdmtoolbox.database import hdfdb\n",
+    "import h5rdmtoolbox as h5tbx"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "d34a1dc2-dff1-4b04-a728-4457e73b9c71",
+   "metadata": {},
+   "source": [
+    "## All string dataset must be one-dimensional"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 37,
+   "id": "2a17a625-ca82-4db6-8c9e-2ad9f46f00e5",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "lay = layout.Layout()\n",
+    "string_dataset_1D = lay.add(\n",
+    "    hdfdb.FileDB.find,\n",
+    "    flt={'$ndim': {'$eq': 1},\n",
+    "         '$dtype': {'$regex': '^(?!S)*'}},\n",
+    "    recursive=True,\n",
+    "    objfilter='dataset',\n",
+    "    description='String dataset must be 1D',\n",
+    "    n={'$gt': 0}\n",
+    ")"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 38,
+   "id": "83a7959a-d879-4f7e-9981-063ccf5ca354",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "int32\n",
+      "|S5\n"
+     ]
+    }
+   ],
+   "source": [
+    "with h5tbx.File() as h5:\n",
+    "    dss = h5.create_string_dataset('a string ds', data=['one', 'two', 'three'])\n",
+    "    dss = h5.create_string_dataset('grp/a string ds', data=['one', 'two', 'three'])\n",
+    "    dsn = h5.create_dataset('a', data=4)\n",
+    "    print(dsn.dtype)\n",
+    "    print(dss.dtype)\n",
+    "    hdf_filename = h5.hdf_filename"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 39,
+   "id": "fc671941-728f-44c5-8f7d-5399413086ac",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "res = lay.validate(hdf_filename)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 40,
+   "id": "591ba3e5-015c-46d1-8c46-ecf66f3f1232",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "\n",
+      "Summary of layout validation\n",
+      "+--------------------------------------+--------+--------------------+---------------------------+---------------+---------------+-----------------------------------------+\n",
+      "| id                                   |   flag | flag description   | description               | target_type   | target_name   | func                                    |\n",
+      "|--------------------------------------+--------+--------------------+---------------------------+---------------+---------------+-----------------------------------------|\n",
+      "| 08d4b8c6-ce67-4a0d-be0d-7c68a353d8e1 |      1 | SUCCESSFUL         | String dataset must be 1D | Group         | /             | h5rdmtoolbox.database.hdfdb.filedb.find |\n",
+      "+--------------------------------------+--------+--------------------+---------------------------+---------------+---------------+-----------------------------------------+\n",
+      "--> Layout is valid\n"
+     ]
+    }
+   ],
+   "source": [
+    "res.print_summary(exclude_keys=('called', 'kwargs'))"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 41,
+   "id": "3c2e2739-d5b8-449a-8553-dd0ed6bfe7e4",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "import re"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 43,
+   "id": "4c43c5dc-7445-45be-bed1-59eee4fc7c6d",
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "<re.Match object; span=(0, 4), match='M123'>"
+      ]
+     },
+     "execution_count": 43,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "re.search('^(?!S).*', 'M123')"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "95ff9f7c-2f9d-4552-bdad-7139e4ea445d",
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3 (ipykernel)",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.8.18"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}
diff --git a/docs/userguide/wrapper/FAIRAttributes.ipynb b/docs/userguide/wrapper/FAIRAttributes.ipynb
index 74ad856a..542f685e 100644
--- a/docs/userguide/wrapper/FAIRAttributes.ipynb
+++ b/docs/userguide/wrapper/FAIRAttributes.ipynb
@@ -293,9 +293,9 @@
        "\n",
        "              <ul style=\"list-style-type: none;\" class=\"h5grp-sections\">\n",
        "                    <li>\n",
-       "                        <input id=\"group-ds--5071168000\" type=\"checkbox\" checked>\n",
-       "                        <label style=\"font-weight: bold\" for=\"group-ds--5071168000\">\n",
-       "                        /<span>(2)</span></label>\n",
+       "                        <input id=\"group-ds--6547955300\" type=\"checkbox\" checked>\n",
+       "                        <label style=\"font-weight: bold\" for=\"group-ds--6547955300\">\n",
+       "                        /<span>(1)</span></label>\n",
        "                  \n",
        "\n",
        "                    <ul class=\"h5tb-attr-list\">\n",
@@ -303,8 +303,8 @@
        "\n",
        "              <ul style=\"list-style-type: none;\" class=\"h5grp-sections\">\n",
        "                    <li>\n",
-       "                        <input id=\"group-ds-contact-5071451800\" type=\"checkbox\" checked>\n",
-       "                        <label style=\"font-weight: bold\" for=\"group-ds-contact-5071451800\">\n",
+       "                        <input id=\"group-ds-contact-6548832300\" type=\"checkbox\" checked>\n",
+       "                        <label style=\"font-weight: bold\" for=\"group-ds-contact-6548832300\">\n",
        "                        contact<a href=\"https://schema.org/author\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">https://schema.org/author</span></a><a href=\"http://xmlns.com/foaf/0.1/Person\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">@type: http://xmlns.com/foaf/0.1/Person</span></a><span>(0)</span></label>\n",
        "                  \n",
        "\n",
@@ -312,18 +312,6 @@
        "                    </ul>\n",
        "</li>\n",
        "</ul>\n",
-       "\n",
-       "              <ul style=\"list-style-type: none;\" class=\"h5grp-sections\">\n",
-       "                    <li>\n",
-       "                        <input id=\"group-ds-h5rdmtoolbox-5071998900\" type=\"checkbox\" checked>\n",
-       "                        <label style=\"font-weight: bold\" for=\"group-ds-h5rdmtoolbox-5071998900\">\n",
-       "                        h5rdmtoolbox<a href=\"https://schema.org/SoftwareSourceCode\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">@type: https://schema.org/SoftwareSourceCode</span></a><span>(0)</span></label>\n",
-       "                  \n",
-       "\n",
-       "                    <ul class=\"h5tb-attr-list\"><li style=\"list-style-type: none; font-style: italic\">__h5rdmtoolbox_version__<a href=\"https://schema.org/softwareVersion\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">https://schema.org/softwareVersion</span></a> : 1.2.3a2</li><li style=\"list-style-type: none; font-style: italic\">code_repository<a href=\"https://schema.org/codeRepository\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">https://schema.org/codeRepository</span></a> : <a href=\"https://github.com/matthiasprobst/h5RDMtoolbox\">https://github.com/matthiasprobst/h5RDMtoolbox</a></li>\n",
-       "                    </ul>\n",
-       "</li>\n",
-       "</ul>\n",
        "</li>\n",
        "</ul>\n",
        "</div>"
@@ -643,9 +631,9 @@
        "\n",
        "              <ul style=\"list-style-type: none;\" class=\"h5grp-sections\">\n",
        "                    <li>\n",
-       "                        <input id=\"group-ds--5128158700\" type=\"checkbox\" checked>\n",
-       "                        <label style=\"font-weight: bold\" for=\"group-ds--5128158700\">\n",
-       "                        /<span>(3)</span></label>\n",
+       "                        <input id=\"group-ds--6601544200\" type=\"checkbox\" checked>\n",
+       "                        <label style=\"font-weight: bold\" for=\"group-ds--6601544200\">\n",
+       "                        /<span>(2)</span></label>\n",
        "                  \n",
        "\n",
        "                    <ul class=\"h5tb-attr-list\">\n",
@@ -653,8 +641,8 @@
        "\n",
        "              <ul style=\"list-style-type: none;\" class=\"h5grp-sections\">\n",
        "                    <li>\n",
-       "                        <input id=\"group-ds-contact-5128531100\" type=\"checkbox\" checked>\n",
-       "                        <label style=\"font-weight: bold\" for=\"group-ds-contact-5128531100\">\n",
+       "                        <input id=\"group-ds-contact-6601918500\" type=\"checkbox\" checked>\n",
+       "                        <label style=\"font-weight: bold\" for=\"group-ds-contact-6601918500\">\n",
        "                        contact<a href=\"https://schema.org/author\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">https://schema.org/author</span></a><a href=\"http://xmlns.com/foaf/0.1/Person\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">@type: http://xmlns.com/foaf/0.1/Person</span></a><span>(0)</span></label>\n",
        "                  \n",
        "\n",
@@ -665,35 +653,23 @@
        "\n",
        "              <ul style=\"list-style-type: none;\" class=\"h5grp-sections\">\n",
        "                    <li>\n",
-       "                        <input id=\"group-ds-grp-5129131600\" type=\"checkbox\" checked>\n",
-       "                        <label style=\"font-weight: bold\" for=\"group-ds-grp-5129131600\">\n",
+       "                        <input id=\"group-ds-grp-6602378700\" type=\"checkbox\" checked>\n",
+       "                        <label style=\"font-weight: bold\" for=\"group-ds-grp-6602378700\">\n",
        "                        grp<span>(1)</span></label>\n",
        "                  \n",
        "\n",
        "                    <ul class=\"h5tb-attr-list\">\n",
        "                    </ul>\n",
        "\n",
-       "                <ul id=\"ds-1-/grp/random_velocity-5131543100\" class=\"h5tb-var-list\">\n",
-       "                    <input id=\"ds-2-/grp/random_velocity-5131546400\" class=\"h5tb-varname-in\" type=\"checkbox\" checked>\n",
-       "                    <label class='h5tb-varname' for=\"ds-2-/grp/random_velocity-5131546400\">random_velocity</label>\n",
+       "                <ul id=\"ds-1-/grp/random_velocity-6604334900\" class=\"h5tb-var-list\">\n",
+       "                    <input id=\"ds-2-/grp/random_velocity-6604338400\" class=\"h5tb-varname-in\" type=\"checkbox\" checked>\n",
+       "                    <label class='h5tb-varname' for=\"ds-2-/grp/random_velocity-6604338400\">random_velocity</label>\n",
        "                    <span class=\"h5tb-dims\">(100) [float64]</span>\n",
        "                <ul class=\"h5tb-attr-list\"><li style=\"list-style-type: none; font-style: italic\">quantity_kind<a href=\"http://w3id.org/nfdi4ing/metadata4ing#hasKindOfQuantity\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">http://w3id.org/nfdi4ing/metadata4ing#hasKindOfQuantity</span></a> : velocity<a href=\"http://qudt.org/vocab/quantitykind/Velocity\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">http://qudt.org/vocab/quantitykind/Velocity</span></a></li><li style=\"list-style-type: none; font-style: italic\">units<a href=\"http://w3id.org/nfdi4ing/metadata4ing#hasUnit\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">http://w3id.org/nfdi4ing/metadata4ing#hasUnit</span></a> : m/s<a href=\"http://qudt.org/vocab/unit/M-PER-SEC\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">http://qudt.org/vocab/unit/M-PER-SEC</span></a></li>\n",
        "                </ul>\n",
        "                </ul>\n",
        "</li>\n",
        "</ul>\n",
-       "\n",
-       "              <ul style=\"list-style-type: none;\" class=\"h5grp-sections\">\n",
-       "                    <li>\n",
-       "                        <input id=\"group-ds-h5rdmtoolbox-5132136700\" type=\"checkbox\" checked>\n",
-       "                        <label style=\"font-weight: bold\" for=\"group-ds-h5rdmtoolbox-5132136700\">\n",
-       "                        h5rdmtoolbox<a href=\"https://schema.org/SoftwareSourceCode\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">@type: https://schema.org/SoftwareSourceCode</span></a><span>(0)</span></label>\n",
-       "                  \n",
-       "\n",
-       "                    <ul class=\"h5tb-attr-list\"><li style=\"list-style-type: none; font-style: italic\">__h5rdmtoolbox_version__<a href=\"https://schema.org/softwareVersion\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">https://schema.org/softwareVersion</span></a> : 1.2.3a2</li><li style=\"list-style-type: none; font-style: italic\">code_repository<a href=\"https://schema.org/codeRepository\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">https://schema.org/codeRepository</span></a> : <a href=\"https://github.com/matthiasprobst/h5RDMtoolbox\">https://github.com/matthiasprobst/h5RDMtoolbox</a></li>\n",
-       "                    </ul>\n",
-       "</li>\n",
-       "</ul>\n",
        "</li>\n",
        "</ul>\n",
        "</div>"
@@ -982,9 +958,9 @@
        "\n",
        "              <ul style=\"list-style-type: none;\" class=\"h5grp-sections\">\n",
        "                    <li>\n",
-       "                        <input id=\"group-ds--5172437800\" type=\"checkbox\" checked>\n",
-       "                        <label style=\"font-weight: bold\" for=\"group-ds--5172437800\">\n",
-       "                        /<span>(4)</span></label>\n",
+       "                        <input id=\"group-ds--6643951000\" type=\"checkbox\" checked>\n",
+       "                        <label style=\"font-weight: bold\" for=\"group-ds--6643951000\">\n",
+       "                        /<span>(3)</span></label>\n",
        "                  \n",
        "\n",
        "                    <ul class=\"h5tb-attr-list\">\n",
@@ -992,8 +968,8 @@
        "\n",
        "              <ul style=\"list-style-type: none;\" class=\"h5grp-sections\">\n",
        "                    <li>\n",
-       "                        <input id=\"group-ds-contact-5173405000\" type=\"checkbox\" checked>\n",
-       "                        <label style=\"font-weight: bold\" for=\"group-ds-contact-5173405000\">\n",
+       "                        <input id=\"group-ds-contact-6644640900\" type=\"checkbox\" checked>\n",
+       "                        <label style=\"font-weight: bold\" for=\"group-ds-contact-6644640900\">\n",
        "                        contact<a href=\"https://schema.org/author\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">https://schema.org/author</span></a><a href=\"http://xmlns.com/foaf/0.1/Person\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">@type: http://xmlns.com/foaf/0.1/Person</span></a><span>(0)</span></label>\n",
        "                  \n",
        "\n",
@@ -1004,17 +980,17 @@
        "\n",
        "              <ul style=\"list-style-type: none;\" class=\"h5grp-sections\">\n",
        "                    <li>\n",
-       "                        <input id=\"group-ds-grp-5174157900\" type=\"checkbox\" checked>\n",
-       "                        <label style=\"font-weight: bold\" for=\"group-ds-grp-5174157900\">\n",
+       "                        <input id=\"group-ds-grp-6645160700\" type=\"checkbox\" checked>\n",
+       "                        <label style=\"font-weight: bold\" for=\"group-ds-grp-6645160700\">\n",
        "                        grp<span>(1)</span></label>\n",
        "                  \n",
        "\n",
        "                    <ul class=\"h5tb-attr-list\">\n",
        "                    </ul>\n",
        "\n",
-       "                <ul id=\"ds-1-/grp/random_velocity-5174702200\" class=\"h5tb-var-list\">\n",
-       "                    <input id=\"ds-2-/grp/random_velocity-5174704300\" class=\"h5tb-varname-in\" type=\"checkbox\" checked>\n",
-       "                    <label class='h5tb-varname' for=\"ds-2-/grp/random_velocity-5174704300\">random_velocity</label>\n",
+       "                <ul id=\"ds-1-/grp/random_velocity-6645812100\" class=\"h5tb-var-list\">\n",
+       "                    <input id=\"ds-2-/grp/random_velocity-6645814600\" class=\"h5tb-varname-in\" type=\"checkbox\" checked>\n",
+       "                    <label class='h5tb-varname' for=\"ds-2-/grp/random_velocity-6645814600\">random_velocity</label>\n",
        "                    <span class=\"h5tb-dims\">(100) [float64]</span>\n",
        "                <ul class=\"h5tb-attr-list\"><li style=\"list-style-type: none; font-style: italic\">quantity_kind<a href=\"http://w3id.org/nfdi4ing/metadata4ing#hasKindOfQuantity\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">http://w3id.org/nfdi4ing/metadata4ing#hasKindOfQuantity</span></a> : velocity<a href=\"http://qudt.org/vocab/quantitykind/Velocity\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">http://qudt.org/vocab/quantitykind/Velocity</span></a></li><li style=\"list-style-type: none; font-style: italic\">units<a href=\"http://w3id.org/nfdi4ing/metadata4ing#hasUnit\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">http://w3id.org/nfdi4ing/metadata4ing#hasUnit</span></a> : m/s<a href=\"http://qudt.org/vocab/unit/M-PER-SEC\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">http://qudt.org/vocab/unit/M-PER-SEC</span></a></li>\n",
        "                </ul>\n",
@@ -1024,24 +1000,12 @@
        "\n",
        "              <ul style=\"list-style-type: none;\" class=\"h5grp-sections\">\n",
        "                    <li>\n",
-       "                        <input id=\"group-ds-h5rdmtoolbox-5175032800\" type=\"checkbox\" checked>\n",
-       "                        <label style=\"font-weight: bold\" for=\"group-ds-h5rdmtoolbox-5175032800\">\n",
-       "                        h5rdmtoolbox<a href=\"https://schema.org/SoftwareSourceCode\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">@type: https://schema.org/SoftwareSourceCode</span></a><span>(0)</span></label>\n",
-       "                  \n",
-       "\n",
-       "                    <ul class=\"h5tb-attr-list\"><li style=\"list-style-type: none; font-style: italic\">__h5rdmtoolbox_version__<a href=\"https://schema.org/softwareVersion\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">https://schema.org/softwareVersion</span></a> : 1.2.3a2</li><li style=\"list-style-type: none; font-style: italic\">code_repository<a href=\"https://schema.org/codeRepository\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">https://schema.org/codeRepository</span></a> : <a href=\"https://github.com/matthiasprobst/h5RDMtoolbox\">https://github.com/matthiasprobst/h5RDMtoolbox</a></li>\n",
-       "                    </ul>\n",
-       "</li>\n",
-       "</ul>\n",
-       "\n",
-       "              <ul style=\"list-style-type: none;\" class=\"h5grp-sections\">\n",
-       "                    <li>\n",
-       "                        <input id=\"group-ds-processing_info-5175356500\" type=\"checkbox\" checked>\n",
-       "                        <label style=\"font-weight: bold\" for=\"group-ds-processing_info-5175356500\">\n",
+       "                        <input id=\"group-ds-processing_info-6646183700\" type=\"checkbox\" checked>\n",
+       "                        <label style=\"font-weight: bold\" for=\"group-ds-processing_info-6646183700\">\n",
        "                        processing_info<a href=\"http://w3id.org/nfdi4ing/metadata4ing#ProcessingStep\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">@type: http://w3id.org/nfdi4ing/metadata4ing#ProcessingStep</span></a><span>(0)</span></label>\n",
        "                  \n",
        "\n",
-       "                    <ul class=\"h5tb-attr-list\"><li style=\"list-style-type: none; font-style: italic\">end_time<a href=\"https://schema.org/startTime\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">https://schema.org/startTime</span></a> : 2024-04-02T12:29:51.226234</li><li style=\"list-style-type: none; font-style: italic\">has_participants<a href=\"http://purl.obolibrary.org/obo/RO_0000057\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">http://purl.obolibrary.org/obo/RO_0000057</span></a> : /contact</li><li style=\"list-style-type: none; font-style: italic\">output<a href=\"http://purl.obolibrary.org/obo/RO_0002234\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">http://purl.obolibrary.org/obo/RO_0002234</span></a> : /grp/random_velocity</li><li style=\"list-style-type: none; font-style: italic\">start_time<a href=\"https://schema.org/startTime\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">https://schema.org/startTime</span></a> : 2024-04-02T12:29:51.226234</li>\n",
+       "                    <ul class=\"h5tb-attr-list\"><li style=\"list-style-type: none; font-style: italic\">end_time<a href=\"https://schema.org/startTime\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">https://schema.org/startTime</span></a> : 2024-04-10T18:14:42.488709</li><li style=\"list-style-type: none; font-style: italic\">has_participants<a href=\"http://purl.obolibrary.org/obo/RO_0000057\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">http://purl.obolibrary.org/obo/RO_0000057</span></a> : /contact</li><li style=\"list-style-type: none; font-style: italic\">output<a href=\"http://purl.obolibrary.org/obo/RO_0002234\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">http://purl.obolibrary.org/obo/RO_0002234</span></a> : /grp/random_velocity</li><li style=\"list-style-type: none; font-style: italic\">start_time<a href=\"https://schema.org/startTime\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">https://schema.org/startTime</span></a> : 2024-04-10T18:14:42.488709</li>\n",
        "                    </ul>\n",
        "</li>\n",
        "</ul>\n",
@@ -1313,9 +1277,9 @@
        "\n",
        "              <ul style=\"list-style-type: none;\" class=\"h5grp-sections\">\n",
        "                    <li>\n",
-       "                        <input id=\"group-ds--5186949500\" type=\"checkbox\" checked>\n",
-       "                        <label style=\"font-weight: bold\" for=\"group-ds--5186949500\">\n",
-       "                        /<span>(4)</span></label>\n",
+       "                        <input id=\"group-ds--6658953300\" type=\"checkbox\" checked>\n",
+       "                        <label style=\"font-weight: bold\" for=\"group-ds--6658953300\">\n",
+       "                        /<span>(3)</span></label>\n",
        "                  \n",
        "\n",
        "                    <ul class=\"h5tb-attr-list\">\n",
@@ -1323,8 +1287,8 @@
        "\n",
        "              <ul style=\"list-style-type: none;\" class=\"h5grp-sections\">\n",
        "                    <li>\n",
-       "                        <input id=\"group-ds-contact-5187611500\" type=\"checkbox\" checked>\n",
-       "                        <label style=\"font-weight: bold\" for=\"group-ds-contact-5187611500\">\n",
+       "                        <input id=\"group-ds-contact-6659651600\" type=\"checkbox\" checked>\n",
+       "                        <label style=\"font-weight: bold\" for=\"group-ds-contact-6659651600\">\n",
        "                        contact<a href=\"https://schema.org/author\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">https://schema.org/author</span></a><a href=\"http://xmlns.com/foaf/0.1/Person\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">@type: http://xmlns.com/foaf/0.1/Person</span></a><span>(0)</span></label>\n",
        "                  \n",
        "\n",
@@ -1335,17 +1299,17 @@
        "\n",
        "              <ul style=\"list-style-type: none;\" class=\"h5grp-sections\">\n",
        "                    <li>\n",
-       "                        <input id=\"group-ds-grp-5188199800\" type=\"checkbox\" checked>\n",
-       "                        <label style=\"font-weight: bold\" for=\"group-ds-grp-5188199800\">\n",
+       "                        <input id=\"group-ds-grp-6660590100\" type=\"checkbox\" checked>\n",
+       "                        <label style=\"font-weight: bold\" for=\"group-ds-grp-6660590100\">\n",
        "                        grp<span>(1)</span></label>\n",
        "                  \n",
        "\n",
        "                    <ul class=\"h5tb-attr-list\">\n",
        "                    </ul>\n",
        "\n",
-       "                <ul id=\"ds-1-/grp/random_velocity-5189021800\" class=\"h5tb-var-list\">\n",
-       "                    <input id=\"ds-2-/grp/random_velocity-5189024600\" class=\"h5tb-varname-in\" type=\"checkbox\" checked>\n",
-       "                    <label class='h5tb-varname' for=\"ds-2-/grp/random_velocity-5189024600\">random_velocity</label>\n",
+       "                <ul id=\"ds-1-/grp/random_velocity-6661504800\" class=\"h5tb-var-list\">\n",
+       "                    <input id=\"ds-2-/grp/random_velocity-6661510000\" class=\"h5tb-varname-in\" type=\"checkbox\" checked>\n",
+       "                    <label class='h5tb-varname' for=\"ds-2-/grp/random_velocity-6661510000\">random_velocity</label>\n",
        "                    <span class=\"h5tb-dims\">(100) [float64]</span>\n",
        "                <ul class=\"h5tb-attr-list\"><li style=\"list-style-type: none; font-style: italic\">quantity_kind<a href=\"http://w3id.org/nfdi4ing/metadata4ing#hasKindOfQuantity\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">http://w3id.org/nfdi4ing/metadata4ing#hasKindOfQuantity</span></a> : velocity<a href=\"http://qudt.org/vocab/quantitykind/Velocity\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">http://qudt.org/vocab/quantitykind/Velocity</span></a></li><li style=\"list-style-type: none; font-style: italic\">units<a href=\"http://w3id.org/nfdi4ing/metadata4ing#hasUnit\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">http://w3id.org/nfdi4ing/metadata4ing#hasUnit</span></a> : m/s<a href=\"http://qudt.org/vocab/unit/M-PER-SEC\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">http://qudt.org/vocab/unit/M-PER-SEC</span></a></li>\n",
        "                </ul>\n",
@@ -1355,24 +1319,12 @@
        "\n",
        "              <ul style=\"list-style-type: none;\" class=\"h5grp-sections\">\n",
        "                    <li>\n",
-       "                        <input id=\"group-ds-h5rdmtoolbox-5189415800\" type=\"checkbox\" checked>\n",
-       "                        <label style=\"font-weight: bold\" for=\"group-ds-h5rdmtoolbox-5189415800\">\n",
-       "                        h5rdmtoolbox<a href=\"https://schema.org/SoftwareSourceCode\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">@type: https://schema.org/SoftwareSourceCode</span></a><span>(0)</span></label>\n",
-       "                  \n",
-       "\n",
-       "                    <ul class=\"h5tb-attr-list\"><li style=\"list-style-type: none; font-style: italic\">__h5rdmtoolbox_version__<a href=\"https://schema.org/softwareVersion\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">https://schema.org/softwareVersion</span></a> : 1.2.3a2</li><li style=\"list-style-type: none; font-style: italic\">code_repository<a href=\"https://schema.org/codeRepository\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">https://schema.org/codeRepository</span></a> : <a href=\"https://github.com/matthiasprobst/h5RDMtoolbox\">https://github.com/matthiasprobst/h5RDMtoolbox</a></li>\n",
-       "                    </ul>\n",
-       "</li>\n",
-       "</ul>\n",
-       "\n",
-       "              <ul style=\"list-style-type: none;\" class=\"h5grp-sections\">\n",
-       "                    <li>\n",
-       "                        <input id=\"group-ds-processing_info-5189813700\" type=\"checkbox\" checked>\n",
-       "                        <label style=\"font-weight: bold\" for=\"group-ds-processing_info-5189813700\">\n",
+       "                        <input id=\"group-ds-processing_info-6662240900\" type=\"checkbox\" checked>\n",
+       "                        <label style=\"font-weight: bold\" for=\"group-ds-processing_info-6662240900\">\n",
        "                        processing_info<a href=\"http://w3id.org/nfdi4ing/metadata4ing#ProcessingStep\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">@type: http://w3id.org/nfdi4ing/metadata4ing#ProcessingStep</span></a><span>(0)</span></label>\n",
        "                  \n",
        "\n",
-       "                    <ul class=\"h5tb-attr-list\"><li style=\"list-style-type: none; font-style: italic\">end_time<a href=\"https://schema.org/startTime\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">https://schema.org/startTime</span></a> : 2024-04-02T12:29:51.226234</li><li style=\"list-style-type: none; font-style: italic\">has_participants<a href=\"http://purl.obolibrary.org/obo/RO_0000057\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">http://purl.obolibrary.org/obo/RO_0000057</span></a> : /contact</li><li style=\"list-style-type: none; font-style: italic\">output<a href=\"http://purl.obolibrary.org/obo/RO_0002234\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">http://purl.obolibrary.org/obo/RO_0002234</span></a> : /grp/random_velocity</li><li style=\"list-style-type: none; font-style: italic\">start_time<a href=\"https://schema.org/startTime\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">https://schema.org/startTime</span></a> : 2024-04-02T12:29:51.226234</li>\n",
+       "                    <ul class=\"h5tb-attr-list\"><li style=\"list-style-type: none; font-style: italic\">end_time<a href=\"https://schema.org/startTime\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">https://schema.org/startTime</span></a> : 2024-04-10T18:14:42.488709</li><li style=\"list-style-type: none; font-style: italic\">has_participants<a href=\"http://purl.obolibrary.org/obo/RO_0000057\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">http://purl.obolibrary.org/obo/RO_0000057</span></a> : /contact</li><li style=\"list-style-type: none; font-style: italic\">output<a href=\"http://purl.obolibrary.org/obo/RO_0002234\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">http://purl.obolibrary.org/obo/RO_0002234</span></a> : /grp/random_velocity</li><li style=\"list-style-type: none; font-style: italic\">start_time<a href=\"https://schema.org/startTime\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">https://schema.org/startTime</span></a> : 2024-04-10T18:14:42.488709</li>\n",
        "                    </ul>\n",
        "</li>\n",
        "</ul>\n",
@@ -1432,166 +1384,122 @@
       "  },\n",
       "  \"@graph\": [\n",
       "    {\n",
-      "      \"@id\": \"_:N42ad75426b55426d9c137f81d1cd3575\",\n",
-      "      \"@type\": \"hdf5:Dataset\",\n",
-      "      \"hdf5:attribute\": [\n",
-      "        {\n",
-      "          \"@id\": \"_:Nc54686f0715a47be9336f8b7e0222332\"\n",
-      "        },\n",
-      "        {\n",
-      "          \"@id\": \"_:N89af2ee53b6144cfa35da3b5bb9d7d67\"\n",
-      "        }\n",
-      "      ],\n",
-      "      \"hdf5:datatype\": \"H5T_INTEGER\",\n",
-      "      \"hdf5:name\": \"/grp/random_velocity\",\n",
-      "      \"hdf5:size\": 100,\n",
-      "      \"m4i:hasKindOfQuantity\": {\n",
-      "        \"@id\": \"http://qudt.org/vocab/quantitykind/Velocity\"\n",
-      "      },\n",
-      "      \"m4i:hasUnit\": {\n",
-      "        \"@id\": \"http://qudt.org/vocab/unit/M-PER-SEC\"\n",
-      "      }\n",
-      "    },\n",
-      "    {\n",
-      "      \"@id\": \"_:Nc54686f0715a47be9336f8b7e0222332\",\n",
-      "      \"@type\": \"hdf5:Attribute\",\n",
-      "      \"hdf5:name\": \"quantity_kind\",\n",
-      "      \"hdf5:value\": \"velocity\"\n",
-      "    },\n",
-      "    {\n",
-      "      \"@id\": \"_:N89af2ee53b6144cfa35da3b5bb9d7d67\",\n",
-      "      \"@type\": \"hdf5:Attribute\",\n",
-      "      \"hdf5:name\": \"units\",\n",
-      "      \"hdf5:value\": \"m/s\"\n",
-      "    },\n",
-      "    {\n",
-      "      \"@id\": \"_:N1ab608fcc9584ac1a924d464c9686dfd\",\n",
-      "      \"@type\": \"hdf5:Group\"\n",
-      "    },\n",
-      "    {\n",
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-      "        \"@value\": \"https://github.com/matthiasprobst/h5RDMtoolbox\"\n",
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+      "            \"hdf5:attribute\": [\n",
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+      "                \"hdf5:name\": \"first_name\",\n",
+      "                \"hdf5:value\": \"Matthias\"\n",
+      "              },\n",
+      "              {\n",
+      "                \"@id\": \"_:N931e99a6dfd34c1ca8c7130cd95c4974\",\n",
+      "                \"@type\": \"hdf5:Attribute\",\n",
+      "                \"hdf5:name\": \"orcid\",\n",
+      "                \"hdf5:value\": {\n",
+      "                  \"@type\": \"http://www.w3.org/2001/XMLSchema#anyURI\",\n",
+      "                  \"@value\": \"https://orcid.org/0000-0001-8729-0482\"\n",
+      "                }\n",
+      "              }\n",
+      "            ],\n",
+      "            \"hdf5:name\": \"/contact\",\n",
+      "            \"m4i:orcid\": {\n",
+      "              \"@type\": \"http://www.w3.org/2001/XMLSchema#anyURI\",\n",
+      "              \"@value\": \"https://orcid.org/0000-0001-8729-0482\"\n",
+      "            }\n",
+      "          },\n",
+      "          {\n",
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+      "            \"@type\": \"hdf5:Group\",\n",
+      "            \"hdf5:member\": {\n",
+      "              \"@id\": \"_:Nfbb141c0e97d4290b9efcde29460f3fb\",\n",
+      "              \"@type\": \"hdf5:Dataset\",\n",
+      "              \"hdf5:attribute\": [\n",
+      "                {\n",
+      "                  \"@id\": \"_:N80cbdaff0e6e4540bb3e89767629c89a\",\n",
+      "                  \"@type\": \"hdf5:Attribute\",\n",
+      "                  \"hdf5:name\": \"quantity_kind\",\n",
+      "                  \"hdf5:value\": \"velocity\"\n",
+      "                },\n",
+      "                {\n",
+      "                  \"@id\": \"_:Na6244572bf6f4cf88e143f1fd8c5c498\",\n",
+      "                  \"@type\": \"hdf5:Attribute\",\n",
+      "                  \"hdf5:name\": \"units\",\n",
+      "                  \"hdf5:value\": \"m/s\"\n",
+      "                }\n",
+      "              ],\n",
+      "              \"hdf5:datatype\": \"H5T_FLOAT\",\n",
+      "              \"hdf5:dimension\": 1,\n",
+      "              \"hdf5:name\": \"/grp/random_velocity\",\n",
+      "              \"hdf5:size\": 100,\n",
+      "              \"hdf5:value\": [\n",
+      "                {\n",
+      "                  \"@id\": \"http://qudt.org/vocab/quantitykind/Velocity\"\n",
+      "                },\n",
+      "                {\n",
+      "                  \"@id\": \"http://qudt.org/vocab/unit/M-PER-SEC\"\n",
+      "                }\n",
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+      "              \"m4i:hasKindOfQuantity\": {\n",
+      "                \"@id\": \"http://qudt.org/vocab/quantitykind/Velocity\"\n",
+      "              },\n",
+      "              \"m4i:hasUnit\": {\n",
+      "                \"@id\": \"http://qudt.org/vocab/unit/M-PER-SEC\"\n",
+      "              }\n",
+      "            },\n",
+      "            \"hdf5:name\": \"/grp\"\n",
+      "          },\n",
+      "          {\n",
+      "            \"@id\": \"_:Nff740b52c90f4d59ad8b3593089937e3\",\n",
+      "            \"@type\": [\n",
+      "              \"hdf5:Group\",\n",
+      "              \"m4i:ProcessingStep\"\n",
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+      "            \"hdf5:attribute\": [\n",
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+      "                \"hdf5:name\": \"end_time\",\n",
+      "                \"hdf5:value\": \"2024-04-10T18:14:42.488709\"\n",
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+      "              {\n",
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+      "                \"hdf5:name\": \"has_participants\",\n",
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+      "              },\n",
+      "              {\n",
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+      "              },\n",
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+      "                \"hdf5:value\": \"2024-04-10T18:14:42.488709\"\n",
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+      "            \"hdf5:name\": \"/processing_info\",\n",
+      "            \"obo:RO_0000057\": \"<HDF5 group \\\"/contact\\\" (0 members)>\",\n",
+      "            \"obo:RO_0002234\": \"<HDF5 dataset \\\"random_velocity\\\": shape (100,), type \\\"<f8\\\">\",\n",
+      "            \"schema:startTime\": \"2024-04-10T18:14:42.488709\"\n",
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       "      }\n",
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       "  ]\n",
@@ -1602,9 +1510,9 @@
      "name": "stderr",
      "output_type": "stream",
      "text": [
-      "C:\\Users\\da4323\\Documents\\programming\\GitHub\\h5RDMtoolbox\\h5rdmtoolbox\\wrapper\\jsonld.py:611: UserWarning: Could not serialize <HDF5 group \"/contact\" (0 members)> to JSON. Will apply str(). Error: Object of type Group is not JSON serializable\n",
+      "C:\\Users\\da4323\\Documents\\programming\\GitHub\\h5RDMtoolbox\\h5rdmtoolbox\\wrapper\\jsonld.py:668: UserWarning: Could not serialize <HDF5 group \"/contact\" (0 members)> to JSON. Will apply str(). Error: Object of type Group is not JSON serializable\n",
       "  warnings.warn(f'Could not serialize {av} to JSON. Will apply str(). Error: {e}')\n",
-      "C:\\Users\\da4323\\Documents\\programming\\GitHub\\h5RDMtoolbox\\h5rdmtoolbox\\wrapper\\jsonld.py:611: UserWarning: Could not serialize <HDF5 dataset \"random_velocity\": shape (100,), type \"<f8\"> to JSON. Will apply str(). Error: Object of type Dataset is not JSON serializable\n",
+      "C:\\Users\\da4323\\Documents\\programming\\GitHub\\h5RDMtoolbox\\h5rdmtoolbox\\wrapper\\jsonld.py:668: UserWarning: Could not serialize <HDF5 dataset \"random_velocity\": shape (100,), type \"<f8\"> to JSON. Will apply str(). Error: Object of type Dataset is not JSON serializable\n",
       "  warnings.warn(f'Could not serialize {av} to JSON. Will apply str(). Error: {e}')\n"
      ]
     }
@@ -1740,7 +1648,7 @@
     {
      "data": {
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-       "<Graph identifier=Ndbee6f00b7224341b9695e33a26282b4 (<class 'rdflib.graph.Graph'>)>"
+       "<Graph identifier=Na071541751ef4c338aba5790865276ff (<class 'rdflib.graph.Graph'>)>"
       ]
      },
      "execution_count": 15,
@@ -1792,7 +1700,7 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "(rdflib.term.BNode('N56b3b873aab041e9af3378139c219b92'), rdflib.term.Literal('https://orcid.org/0000-0001-8729-0482', datatype=rdflib.term.URIRef('http://www.w3.org/2001/XMLSchema#anyURI')))\n"
+      "(rdflib.term.BNode('N0cb0412210824261b46c25a7ee20a782'), rdflib.term.Literal('https://orcid.org/0000-0001-8729-0482', datatype=rdflib.term.URIRef('http://www.w3.org/2001/XMLSchema#anyURI')))\n"
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@@ -1895,24 +1803,24 @@
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       "              'version': 'http://schema.org/version'},\n",
-      " '@id': '_:Na287963cd1814213a28cd0f92342c547',\n",
+      " '@id': '_:N4eddc721deda4294bb76db44f327b762',\n",
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-      " 'applicationCategory': 'file:///C:/Users/da4323/AppData/Local/h5rdmtoolbox/h5rdmtoolbox/tmp/tmp_2/Engineering',\n",
-      " 'author': [{'@id': 'https://orcid.org/0000-0002-4116-0065',\n",
+      " 'applicationCategory': 'file:///C:/Users/da4323/AppData/Local/h5rdmtoolbox/h5rdmtoolbox/tmp/tmp_1/Engineering',\n",
+      " 'author': [{'@id': 'https://orcid.org/0000-0001-8729-0482',\n",
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-      "             'givenName': 'Lucas'},\n",
-      "            {'@id': 'https://orcid.org/0000-0001-8729-0482',\n",
+      "             'email': 'matthias.probst@kit.edu',\n",
+      "             'familyName': 'Probst',\n",
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       "             '@type': 'http://schema.org/Person',\n",
       "             'affiliation': {'@type': 'http://schema.org/Organization',\n",
       "                             'name': 'Karlsruhe Institute of Technology, '\n",
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-      "             'email': 'matthias.probst@kit.edu',\n",
-      "             'familyName': 'Probst',\n",
-      "             'givenName': 'Matthias'}],\n",
+      "             'familyName': 'Büttner',\n",
+      "             'givenName': 'Lucas'}],\n",
       " 'codeRepository': 'git+https://github.com/matthiasprobst/h5RDMtoolbox.git',\n",
       " 'description': 'Supporting a FAIR Research Data lifecycle using Python and '\n",
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@@ -2173,9 +2081,9 @@
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-       "                        <label style=\"font-weight: bold\" for=\"group-ds--7185429400\">\n",
-       "                        /<span>(2)</span></label>\n",
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+       "                        <label style=\"font-weight: bold\" for=\"group-ds--9080909700\">\n",
+       "                        /<span>(1)</span></label>\n",
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        "\n",
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@@ -2183,40 +2091,28 @@
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-       "                        <label style=\"font-weight: bold\" for=\"group-ds-h5rdmtoolbox-7185830900\">\n",
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-       "                  \n",
-       "\n",
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-       "                    </ul>\n",
-       "</li>\n",
-       "</ul>\n",
-       "\n",
-       "              <ul style=\"list-style-type: none;\" class=\"h5grp-sections\">\n",
-       "                    <li>\n",
-       "                        <input id=\"group-ds-software_code-7186242700\" type=\"checkbox\" checked>\n",
-       "                        <label style=\"font-weight: bold\" for=\"group-ds-software_code-7186242700\">\n",
+       "                        <input id=\"group-ds-software_code-9081295800\" type=\"checkbox\" checked>\n",
+       "                        <label style=\"font-weight: bold\" for=\"group-ds-software_code-9081295800\">\n",
        "                        software_code<a href=\"http://schema.org/SoftwareSourceCode\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">@type: http://schema.org/SoftwareSourceCode</span></a><span>(2)</span></label>\n",
        "                  \n",
        "\n",
-       "                    <ul class=\"h5tb-attr-list\"><li style=\"list-style-type: none; font-style: italic\">applicationCategory<a href=\"http://schema.org/applicationCategory\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">http://schema.org/applicationCategory</span></a> : /Users/da4323/AppData/Local/h5rdmtoolbox/h5rdmtoolbox/tmp/tmp_2/Engineering</li><li style=\"list-style-type: none; font-style: italic\">codeRepository<a href=\"http://schema.org/codeRepository\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">http://schema.org/codeRepository</span></a> : //github.com/matthiasprobst/h5RDMtoolbox.git</li><li style=\"list-style-type: none; font-style: italic\">description<a href=\"http://schema.org/description\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">http://schema.org/description</span></a> : Supporting a FAIR Research Data lifecycle using Python and HDF5.</li><li style=\"list-style-type: none; font-style: italic\">license<a href=\"http://schema.org/license\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">http://schema.org/license</span></a> : <a href=\"https://spdx.org/licenses/MIT\">https://spdx.org/licenses/MIT</a></li><li style=\"list-style-type: none; font-style: italic\">name<a href=\"http://schema.org/name\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">http://schema.org/name</span></a> : h5RDMtoolbox</li><li style=\"list-style-type: none; font-style: italic\">operatingSystem<a href=\"http://schema.org/operatingSystem\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">http://schema.org/operatingSystem</span></a> : Linux, Windows, macOS</li><li style=\"list-style-type: none; font-style: italic\">programmingLanguage<a href=\"http://schema.org/programmingLanguage\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">http://schema.org/programmingLanguage</span></a> : Python 3, Python 3.8, Python 3.9, Python 3.10, Python 3.11, Python 3.12</li><li style=\"list-style-type: none; font-style: italic\">version<a href=\"http://schema.org/version\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">http://schema.org/version</span></a> : 1.2.3a1</li>\n",
+       "                    <ul class=\"h5tb-attr-list\"><li style=\"list-style-type: none; font-style: italic\">applicationCategory<a href=\"http://schema.org/applicationCategory\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">http://schema.org/applicationCategory</span></a> : /Users/da4323/AppData/Local/h5rdmtoolbox/h5rdmtoolbox/tmp/tmp_1/Engineering</li><li style=\"list-style-type: none; font-style: italic\">codeRepository<a href=\"http://schema.org/codeRepository\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">http://schema.org/codeRepository</span></a> : //github.com/matthiasprobst/h5RDMtoolbox.git</li><li style=\"list-style-type: none; font-style: italic\">description<a href=\"http://schema.org/description\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">http://schema.org/description</span></a> : Supporting a FAIR Research Data lifecycle using Python and HDF5.</li><li style=\"list-style-type: none; font-style: italic\">license<a href=\"http://schema.org/license\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">http://schema.org/license</span></a> : <a href=\"https://spdx.org/licenses/MIT\">https://spdx.org/licenses/MIT</a></li><li style=\"list-style-type: none; font-style: italic\">name<a href=\"http://schema.org/name\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">http://schema.org/name</span></a> : h5RDMtoolbox</li><li style=\"list-style-type: none; font-style: italic\">operatingSystem<a href=\"http://schema.org/operatingSystem\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">http://schema.org/operatingSystem</span></a> : Linux, Windows, macOS</li><li style=\"list-style-type: none; font-style: italic\">programmingLanguage<a href=\"http://schema.org/programmingLanguage\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">http://schema.org/programmingLanguage</span></a> : Python 3, Python 3.8, Python 3.9, Python 3.10, Python 3.11, Python 3.12</li><li style=\"list-style-type: none; font-style: italic\">version<a href=\"http://schema.org/version\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">http://schema.org/version</span></a> : 1.2.3a1</li>\n",
        "                    </ul>\n",
        "\n",
        "              <ul style=\"list-style-type: none;\" class=\"h5grp-sections\">\n",
        "                    <li>\n",
-       "                        <input id=\"group-ds-author1-7187366800\" type=\"checkbox\" checked>\n",
-       "                        <label style=\"font-weight: bold\" for=\"group-ds-author1-7187366800\">\n",
+       "                        <input id=\"group-ds-author1-9083473400\" type=\"checkbox\" checked>\n",
+       "                        <label style=\"font-weight: bold\" for=\"group-ds-author1-9083473400\">\n",
        "                        author1<a href=\"http://schema.org/author\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">http://schema.org/author</span></a><a href=\"http://schema.org/Person\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">@type: http://schema.org/Person</span></a><span>(1)</span></label>\n",
        "                  \n",
        "\n",
-       "                    <ul class=\"h5tb-attr-list\"><li style=\"list-style-type: none; font-style: italic\">@id : <a href=\"https://orcid.org/0000-0002-4116-0065\"><img alt=\"ORCID logo\" src=\"https://info.orcid.org/wp-content/uploads/2019/11/orcid_16x16.png\" width=\"16\" height=\"16\" />https://orcid.org/0000-0002-4116-0065</a></li><li style=\"list-style-type: none; font-style: italic\">familyName : Büttner</li><li style=\"list-style-type: none; font-style: italic\">givenName : Lucas</li>\n",
+       "                    <ul class=\"h5tb-attr-list\"><li style=\"list-style-type: none; font-style: italic\">@id : <a href=\"https://orcid.org/0000-0001-8729-0482\"><img alt=\"ORCID logo\" src=\"https://info.orcid.org/wp-content/uploads/2019/11/orcid_16x16.png\" width=\"16\" height=\"16\" />https://orcid.org/0000-0001-8729-0482</a></li><li style=\"list-style-type: none; font-style: italic\">email : matthias.probst@kit.edu</li><li style=\"list-style-type: none; font-style: italic\">familyName : Probst</li><li style=\"list-style-type: none; font-style: italic\">givenName : Matthias</li>\n",
        "                    </ul>\n",
        "\n",
        "              <ul style=\"list-style-type: none;\" class=\"h5grp-sections\">\n",
        "                    <li>\n",
-       "                        <input id=\"group-ds-affiliation-7187978200\" type=\"checkbox\" checked>\n",
-       "                        <label style=\"font-weight: bold\" for=\"group-ds-affiliation-7187978200\">\n",
+       "                        <input id=\"group-ds-affiliation-9084945700\" type=\"checkbox\" checked>\n",
+       "                        <label style=\"font-weight: bold\" for=\"group-ds-affiliation-9084945700\">\n",
        "                        affiliation<a href=\"http://schema.org/Organization\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">@type: http://schema.org/Organization</span></a><span>(0)</span></label>\n",
        "                  \n",
        "\n",
@@ -2229,18 +2125,18 @@
        "\n",
        "              <ul style=\"list-style-type: none;\" class=\"h5grp-sections\">\n",
        "                    <li>\n",
-       "                        <input id=\"group-ds-author2-7188197600\" type=\"checkbox\" checked>\n",
-       "                        <label style=\"font-weight: bold\" for=\"group-ds-author2-7188197600\">\n",
+       "                        <input id=\"group-ds-author2-9085424600\" type=\"checkbox\" checked>\n",
+       "                        <label style=\"font-weight: bold\" for=\"group-ds-author2-9085424600\">\n",
        "                        author2<a href=\"http://schema.org/author\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">http://schema.org/author</span></a><a href=\"http://schema.org/Person\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">@type: http://schema.org/Person</span></a><span>(1)</span></label>\n",
        "                  \n",
        "\n",
-       "                    <ul class=\"h5tb-attr-list\"><li style=\"list-style-type: none; font-style: italic\">@id : <a href=\"https://orcid.org/0000-0001-8729-0482\"><img alt=\"ORCID logo\" src=\"https://info.orcid.org/wp-content/uploads/2019/11/orcid_16x16.png\" width=\"16\" height=\"16\" />https://orcid.org/0000-0001-8729-0482</a></li><li style=\"list-style-type: none; font-style: italic\">email : matthias.probst@kit.edu</li><li style=\"list-style-type: none; font-style: italic\">familyName : Probst</li><li style=\"list-style-type: none; font-style: italic\">givenName : Matthias</li>\n",
+       "                    <ul class=\"h5tb-attr-list\"><li style=\"list-style-type: none; font-style: italic\">@id : <a href=\"https://orcid.org/0000-0002-4116-0065\"><img alt=\"ORCID logo\" src=\"https://info.orcid.org/wp-content/uploads/2019/11/orcid_16x16.png\" width=\"16\" height=\"16\" />https://orcid.org/0000-0002-4116-0065</a></li><li style=\"list-style-type: none; font-style: italic\">familyName : Büttner</li><li style=\"list-style-type: none; font-style: italic\">givenName : Lucas</li>\n",
        "                    </ul>\n",
        "\n",
        "              <ul style=\"list-style-type: none;\" class=\"h5grp-sections\">\n",
        "                    <li>\n",
-       "                        <input id=\"group-ds-affiliation-7188741800\" type=\"checkbox\" checked>\n",
-       "                        <label style=\"font-weight: bold\" for=\"group-ds-affiliation-7188741800\">\n",
+       "                        <input id=\"group-ds-affiliation-9086436500\" type=\"checkbox\" checked>\n",
+       "                        <label style=\"font-weight: bold\" for=\"group-ds-affiliation-9086436500\">\n",
        "                        affiliation<a href=\"http://schema.org/Organization\" target=\"_blank\" class=\"tooltip\"> <img class=\"size_of_img\" src=\"https://github.com/matthiasprobst/h5RDMtoolbox/blob/dev/h5rdmtoolbox/data/iri_icon.png?raw=true\" alt=\"IRI_ICON\" width=\"16\" height=\"16\" /> <span class=\"tooltiptext\">@type: http://schema.org/Organization</span></a><span>(0)</span></label>\n",
        "                  \n",
        "\n",
@@ -2273,11 +2169,74 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
-   "id": "f99ff8c4-06b8-4a32-9875-52a982eef604",
+   "execution_count": 25,
+   "id": "cdcc299a-efb9-4d5a-be58-dcff2f34d064",
    "metadata": {},
    "outputs": [],
-   "source": []
+   "source": [
+    "import ontolutils"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 26,
+   "id": "f99ff8c4-06b8-4a32-9875-52a982eef604",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "{'@context': {'hdf5': 'http://purl.allotrope.org/ontologies/hdf5/1.8#'},\n",
+      " '@graph': [{'@id': '_:Neb3e8b8f8275464495cd7ec3bee4ee58',\n",
+      "             '@type': 'hdf5:File',\n",
+      "             'hdf5:rootGroup': {'@id': '_:N21f548c57916403e8aa725e804dc7cb9',\n",
+      "                                '@type': 'hdf5:Group',\n",
+      "                                'hdf5:attribute': {'@id': '_:N5abefb39f18b45f586890d56363174ce',\n",
+      "                                                   '@type': 'hdf5:Attribute',\n",
+      "                                                   'hdf5:name': 'name',\n",
+      "                                                   'hdf5:value': 'test attr'},\n",
+      "                                'hdf5:member': [{'@id': '_:N62775dd128c64837bc89ad3009f72095',\n",
+      "                                                 '@type': 'hdf5:Group',\n",
+      "                                                 'hdf5:member': {'@id': '_:N1fbb37e58af944aaa19b1d982dd6dd82',\n",
+      "                                                                 '@type': 'hdf5:Group',\n",
+      "                                                                 'hdf5:member': {'@id': '_:Nea8e5a3f5cdd4a3ca56ddec39e5471f3',\n",
+      "                                                                                 '@type': 'hdf5:Dataset',\n",
+      "                                                                                 'hdf5:datatype': 'H5T_INTEGER',\n",
+      "                                                                                 'hdf5:dimension': 0,\n",
+      "                                                                                 'hdf5:name': '/grp/subgrp/vel',\n",
+      "                                                                                 'hdf5:size': 1},\n",
+      "                                                                 'hdf5:name': '/grp/subgrp'},\n",
+      "                                                 'hdf5:name': '/grp'},\n",
+      "                                                {'@id': '_:Nb9f7ceb1fff5453bbc431d44e09d14fb',\n",
+      "                                                 '@type': 'hdf5:Dataset',\n",
+      "                                                 'hdf5:datatype': 'H5T_FLOAT',\n",
+      "                                                 'hdf5:dimension': 2,\n",
+      "                                                 'hdf5:name': '/test_dataset',\n",
+      "                                                 'hdf5:size': 6},\n",
+      "                                                {'@id': '_:N28ef4704118d4ce89d8f926c3d8c0a2f',\n",
+      "                                                 '@type': 'hdf5:Dataset',\n",
+      "                                                 'hdf5:datatype': 'H5T_FLOAT',\n",
+      "                                                 'hdf5:dimension': 0,\n",
+      "                                                 'hdf5:name': '/test_dataset 2',\n",
+      "                                                 'hdf5:size': 1}],\n",
+      "                                'hdf5:name': '/',\n",
+      "                                'https://schema.org/name': 'test attr'}}]}\n"
+     ]
+    }
+   ],
+   "source": [
+    "with h5tbx.File(mode='w') as h5:\n",
+    "    _ = h5.create_dataset('test_dataset', data=np.array([[1, 2], [3, 4], [5.4, 1.9]]))\n",
+    "    _ = h5.create_dataset('test_dataset 2', data=4.5)\n",
+    "    h5.create_dataset('grp/subgrp/vel', data=4)\n",
+    "    h5.attrs['name', ontolutils.SCHEMA.name] = 'test attr'\n",
+    "    # _ = h5.create_dataset('test_dataset', data=5.4)\n",
+    "    jd = jsonld.dumpd(h5, structural=True)\n",
+    "    jds = jsonld.dumps(h5, structural=True, indent=2)\n",
+    "from pprint import pprint\n",
+    "pprint(jd, indent=1)"
+   ]
   }
  ],
  "metadata": {
diff --git a/h5rdmtoolbox/repository/zenodo/core.py b/h5rdmtoolbox/repository/zenodo/core.py
index fc01394c..0283e2e7 100644
--- a/h5rdmtoolbox/repository/zenodo/core.py
+++ b/h5rdmtoolbox/repository/zenodo/core.py
@@ -57,8 +57,9 @@ def __init__(self,
     def __repr__(self) -> str:
         return f"{self.__class__.__name__} (id={self.rec_id}, url={self.depositions_url})"
 
-    def get_metadata(self):
-        return self.json()['metadata']
+    @abc.abstractmethod
+    def get_metadata(self) -> Dict:
+        """Return metadata"""
 
     @abc.abstractmethod
     def get(self, raise_for_status: bool):
@@ -73,8 +74,6 @@ def get_doi(self) -> str:
 
     def exists(self) -> bool:
         """Check if the deposit exists on Zenodo."""
-        if self.rec_id is None:
-            return False
         r = self.get(raise_for_status=False)
         if r.status_code == 404:
             return False
@@ -374,6 +373,9 @@ def access_token(self):
         """Get the access token for the Zenodo API. This is needed to upload files."""
         return get_api_token(sandbox=False)
 
+    def get_metadata(self) -> Dict:
+        return self.json()['metadata']
+
     def set_metadata(self, metadata: Metadata):
         """update the metadata of the deposit"""
         if not isinstance(metadata, Metadata):
diff --git a/tests/repository/test_zenodo.py b/tests/repository/test_zenodo.py
index af2f1d35..f9340270 100644
--- a/tests/repository/test_zenodo.py
+++ b/tests/repository/test_zenodo.py
@@ -3,7 +3,6 @@
 import os
 import pathlib
 import pydantic
-import requests
 import unittest
 from datetime import datetime
 
@@ -261,6 +260,7 @@ def hdf2json(hdf_filename: pathlib.Path) -> pathlib.Path:
 
         self.assertTrue('@context' in json_dict)
         self.assertEqual(json_dict['@type'], 'hdf5:File')
+
         #
         # print(json_dict['h5rdmtoolbox']['attrs'])
         # self.assertDictEqual(
@@ -282,6 +282,7 @@ def test_ZenodoSandboxDeposit(self):
         self.assertEqual('open', z.get_metadata()['access_right'])
         self.assertEqual(z.rec_id, z.get_metadata()['prereserve_doi']['recid'])
         self.assertTrue(z.exists())
+        self.assertFalse(z.is_published())
 
         old_rec_id = z.rec_id
 
@@ -315,6 +316,10 @@ def test_ZenodoSandboxDeposit(self):
             embargo_date='2020'
         )
 
+        with self.assertRaises(TypeError):
+            z.set_metadata(12)
+
+        z.set_metadata(meta.model_dump())
         z.set_metadata(meta)
         ret_metadata = z.get_metadata()
         self.assertEqual(ret_metadata['upload_type'],
@@ -326,6 +331,9 @@ def test_ZenodoSandboxDeposit(self):
         tmpfile = pathlib.Path('testfile.txt')
         with open(tmpfile, 'w') as f:
             f.write('This is a test file.')
+
+        with self.assertRaises(FileNotFoundError):
+            z.upload_file('doesNotExist.txt', overwrite=True)
         z.upload_file(tmpfile, overwrite=True)
         self.assertIn('testfile.txt', z.get_filenames())
 
diff --git a/tests/test_extensions.py b/tests/test_extensions.py
index dd5d483a..f9f286f8 100644
--- a/tests/test_extensions.py
+++ b/tests/test_extensions.py
@@ -212,5 +212,17 @@ def test_norm_one_for_all_with_unit(self):
     def test_units_to(self):
         with h5tbx.File(mode='w') as h5:
             ds = h5.create_dataset('x', data=[1, 2, 3], make_scale=True, attrs={'units': 'm'})
+            y = h5.create_dataset('y', data=[1, 0, 1], attach_scale='x', attrs={'units': 'mm'})
             ds_cm = ds[()].to('cm')
             self.assertEqual('cm', ds_cm.attrs['units'])
+
+            y_cm = y[()].to('cm')
+            self.assertEqual('cm', y_cm.attrs['units'])
+
+            y_xcm = y[()].to({'x': 'cm'})
+            self.assertEqual('mm', y_xcm.attrs['units'])
+            self.assertEqual('cm', y_xcm.x.attrs['units'])
+
+            y_xcm = y[()].to(x='cm')
+            self.assertEqual('mm', y_xcm.attrs['units'])
+            self.assertEqual('cm', y_xcm.x.attrs['units'])
diff --git a/tests/wrapper/test_jsonld.py b/tests/wrapper/test_jsonld.py
index 21dee9e6..74c4d605 100644
--- a/tests/wrapper/test_jsonld.py
+++ b/tests/wrapper/test_jsonld.py
@@ -142,6 +142,52 @@ def test_dump_hdf_to_json(self):
             print(row)
             self.assertEqual(float(row[0]), -2.3)
 
+    def test_model_dump_jsonld_resolve_keys(self):
+        @namespaces(prov='http://www.w3.org/ns/prov#',
+                    schema='http://www.schema.org/')
+        @urirefs(Affiliation='prov:Affiliation',
+                 name='schema:name')
+        class Affiliation(Thing):
+            name: str
+
+        @namespaces(foaf='http://xmlns.com/foaf/0.1/',
+                    prov='http://www.w3.org/ns/prov#')
+        @urirefs(Person='prov:Person',
+                 name='foaf:firstName',
+                 lastName='foaf:lastName',
+                 affiliation='prov:affiliation')
+        class Person(Thing):
+            name: str = None
+            lastName: str
+            affiliation: Affiliation
+
+        p = Person(name='John', lastName='Doe',
+                   affiliation=dict(name='MyCompany'))
+        jdict = json.loads(p.model_dump_jsonld(resolve_keys=False))
+        self.assertEqual(jdict['@type'], 'prov:Person')
+        self.assertEqual(jdict['name'], 'John')
+        self.assertIsInstance(jdict['prov:affiliation'], dict)
+        affiliation = jdict['prov:affiliation']
+        self.assertEqual(affiliation['@type'], 'prov:Affiliation')
+        self.assertEqual(affiliation['schema:name'], 'MyCompany')
+
+        with h5tbx.File() as h5:
+            jsonld.to_hdf(h5, data=jdict)
+            self.assertTrue(h5.attrs['name'], 'John')
+            self.assertEqual(h5.rdf.predicate['name'], 'http://xmlns.com/foaf/0.1/firstName')
+            self.assertTrue(h5['affiliation'].attrs['name'], 'MyCompany')
+            self.assertEqual(h5['affiliation'].rdf.predicate['name'], 'http://www.schema.org/name')
+
+        jdict_resolved = json.loads(p.model_dump_jsonld(resolve_keys=True))
+        self.assertEqual(jdict_resolved['foaf:firstName'], 'John')
+
+        with h5tbx.File() as h5:
+            jsonld.to_hdf(h5, data=jdict_resolved)
+            self.assertTrue(h5.attrs['firstName'], 'John')
+            self.assertEqual(h5.rdf.predicate['firstName'], 'http://xmlns.com/foaf/0.1/firstName')
+            self.assertTrue(h5['affiliation'].attrs['name'], 'MyCompany')
+            self.assertEqual(h5['affiliation'].rdf.predicate['name'], 'http://www.schema.org/name')
+
     def test_json_to_hdf(self):
 
         @namespaces(foaf='http://xmlns.com/foaf/0.1/',
@@ -176,7 +222,7 @@ class Person(Thing):
             self.assertEqual(h5['contact'].attrs['lastName'], 'Doe')
             self.assertEqual(h5['contact'].rdf['name'].predicate, 'http://xmlns.com/foaf/0.1/firstName')
             self.assertEqual(h5['contact'].rdf['lastName'].predicate, 'http://xmlns.com/foaf/0.1/lastName')
-            # self.assertEqual(h5['contact/affiliation'].attrs['name'], 'MyCompany')  # TODO: fix this bug!!!
+            self.assertEqual(h5['contact/affiliation'].attrs['name'], 'MyCompany')
             h5.dumps()
 
         # def dump_hdf_to_json(h5_filename):