diff --git a/dcat/index.html b/dcat/index.html index 32db6d77..d3eed28a 100644 --- a/dcat/index.html +++ b/dcat/index.html @@ -2634,10 +2634,15 @@
The range of this property is a decimal number representing a length in meters. +
The range of this property is a number representing a length in meters. This is intended to provide a summary indication of the spatial resolution of the data as a single number. More complex descriptions of various aspects of spatial precision, accuracy, resolution and other statistics can be provided using the Data Quality Vocabulary [[?VOCAB-DQV]].
+As for the use of datatype, note that [[JSON-LD]] converts numbers to xsd:double
or xsd:integer
, and properly generating xsd:decimal
requires the use of strings with an explicit or coerced datatype. In [[Turtle]], seemingly minor modifications can change the datatype of a value: `100.0` is an xsd:decimal
, while `1e2` is an xsd:double
.
Note also that number constants without a decimal part (e.g. `42`) will, in [[Turtle]] or [[JSON-LD]], produce a literal with datatype xsd:integer
. Since [[XMLSCHEMA11-2]] defines xsd:integer
as a derived type of xsd:decimal
, such literals are semantically valid as values of dcat:spatialResolutionInMeters
. However, syntactic validation tools such as [[SHACL]] or [[ShEx]] consider them as distinct datatypes. Authors of validation schemas in these languages should therefore consider adding xsd:integer
to the accepted datatypes for dcat:spatialResolutionInMeters
.
RDF Property: | dcat:spatialResolutionInMeters |
---|---|
Definition: | The minimum spatial separation resolvable in a dataset distribution, measured in meters. |
Range: | xsd:decimal |
Range: | xsd:decimal or xsd:double |
Usage note: | If the dataset is an image or grid this should correspond to the spacing of items. For other kinds of spatial datasets, this property will usually indicate the smallest distance between items in the dataset. |
Usage note: | Alternative spatial resolutions might be provided as different dataset distributions |
The range of this property is a decimal number representing a length in meters. +
The range of this property is a number representing a length in meters. This is intended to provide a summary indication of the spatial resolution of the data distribution as a single number. More complex descriptions of various aspects of spatial precision, accuracy, resolution and other statistics can be provided using the Data Quality Vocabulary [[?VOCAB-DQV]].
@@ -6784,6 +6789,7 @@A full change-log is available on GitHub
+The document has undergone the following changes since the DCAT 3 fourth public working draft of 10 May 2022 [[?VOCAB-DCAT-3-20220510]]:
The recommended range of properties and has been extended to include xsd:double
in addition to xsd:decimal
- see Issue #1536.
Updated section to include suggestions about integrity and authenticity - see Issue #1526.