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croissant.js
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croissant.js
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function getBibtex() {
var identifier = x.datasetJson.identifier
var oreDescribes = x.datasetORE["ore:describes"]
var publicationYear = oreDescribes["schema:datePublished"].substring(0, 4)
var creatorArray = x.datasetSchemaDotOrg.creator
var creatorsFormatted = creatorArray.length > 0 ? creatorArray[0] : ""
for (i = 1; i < creatorArray.length; i++) {
creatorsFormatted = creatorsFormatted + " and " + creatorArray[i].name
}
var publisher = x.datasetSchemaDotOrg.publisher.name
var title = x.datasetSchemaDotOrg.name
var pidAsUrl = oreDescribes["@id"]
var sb = ""
sb = sb + "@data{" + identifier + "_" + publicationYear + ","
sb = sb + "author = {" + creatorsFormatted + "},"
sb = sb + "publisher = {" + publisher + "},"
sb = sb + "title = {" + title + "},"
sb = sb + "year = {" + publicationYear + "},"
sb = sb + "url = {" + pidAsUrl + "}"
sb = sb + "}"
return sb
}
function getNumericType(variableIntervalType) {
if (variableIntervalType === "discrete") {
return "sc:Integer"
}
if (variableIntervalType === "contin") {
return "sc:Float"
}
return "sc:Text"
}
res = {}
var context = {}
context["@language"] = "en"
context["@vocab"] = "https://schema.org/"
context["citeAs"] = "cr:citeAs"
context["column"] = "cr:column"
context["conformsTo"] = "dct:conformsTo"
context["cr"] = "http://mlcommons.org/croissant/"
context["rai"] = "http://mlcommons.org/croissant/RAI/"
context["data"] = { "@id": "cr:data", "@type": "@json" }
context["dataType"] = { "@id": "cr:dataType", "@type": "@vocab" }
context["dct"] = "http://purl.org/dc/terms/"
context["examples"] = { "@id": "cr:examples", "@type": "@json" }
context["extract"] = "cr:extract"
context["field"] = "cr:field"
context["fileProperty"] = "cr:fileProperty"
context["fileObject"] = "cr:fileObject"
context["fileSet"] = "cr:fileSet"
context["format"] = "cr:format"
context["includes"] = "cr:includes"
context["isLiveDataset"] = "cr:isLiveDataset"
context["jsonPath"] = "cr:jsonPath"
context["key"] = "cr:key"
context["md5"] = "cr:md5"
context["parentField"] = "cr:parentField"
context["path"] = "cr:path"
context["recordSet"] = "cr:recordSet"
context["references"] = "cr:references"
context["regex"] = "cr:regex"
context["repeated"] = "cr:repeated"
context["replace"] = "cr:replace"
context["sc"] = "https://schema.org/"
context["separator"] = "cr:separator"
context["source"] = "cr:source"
context["subField"] = "cr:subField"
context["transform"] = "cr:transform"
context["wd"] = "https://www.wikidata.org/wiki/"
res["@context"] = context
res["@type"] = "sc:Dataset"
res.conformsTo = "http://mlcommons.org/croissant/1.0"
var describes = x.datasetORE["ore:describes"]
res["name"] = describes["title"]
res["url"] = describes["@id"]
res["creator"] = x.datasetSchemaDotOrg["creator"]
res["description"] = x.datasetSchemaDotOrg["description"]
res["keywords"] = x.datasetSchemaDotOrg["keywords"]
res["license"] = x.datasetSchemaDotOrg["license"]
res["datePublished"] = x.datasetSchemaDotOrg["datePublished"]
res["dateModified"] = x.datasetSchemaDotOrg["dateModified"]
res["includedInDataCatalog"] = x.datasetSchemaDotOrg["includedInDataCatalog"]
res["publisher"] = x.datasetSchemaDotOrg["publisher"]
res["version"] = describes["schema:version"]
res["citeAs"] = getBibtex()
var funder = x.datasetSchemaDotOrg["funder"]
if (funder) {
res["funder"] = funder
}
var spatialCoverage = x.datasetSchemaDotOrg["spatialCoverage"]
if (spatialCoverage) {
res["spatialCoverage"] = spatialCoverage
}
var oreFiles = describes["ore:aggregates"]
var distribution = new List()
var recordSet = new List()
for (i = 0; i < x.datasetFileDetails.length; i++) {
var fileDetails = x.datasetFileDetails[i]
var filename = fileDetails["originalFileName"]
if (!filename) {
filename = fileDetails["filename"]
}
var fileFormat = fileDetails["originalFileFormat"]
if (!fileFormat) {
fileFormat = fileDetails["contentType"]
}
var fileSize = fileDetails["originalFileSize"]
if (!fileSize) {
fileSize = fileDetails["filesize"]
}
var checksum = fileDetails["checksum"]
var checksumType = checksum["type"].toLowerCase()
var checksumValue = checksum["value"]
var fileId = filename
var directoryLabel = oreFiles[i]["dvcore:directoryLabel"]
if (directoryLabel) {
fileId = directoryLabel + "/" + filename
}
var dist = {}
dist["@type"] = "cr:FileObject"
dist["@id"] = fileId
dist["name"] = filename
dist["encodingFormat"] = fileFormat
dist[checksumType] = checksumValue
dist["contentSize"] = fileSize.toString()
dist["description"] = fileDetails["description"]
dist["contentUrl"] = oreFiles[i]["schema:sameAs"]
distribution.add(dist)
var dataTables = fileDetails["dataTables"]
if (!dataTables) {
dataTables = new List()
}
for (j = 0; j < dataTables.length; j++) {
var dataTableObject = dataTables[j]
var dataVariables = dataTableObject["dataVariables"]
var fieldSetArray = new List()
for (k = 0; k < dataVariables.length; k++) {
var dataVariableObject = dataVariables[k]
var variableId = dataVariableObject["id"].toString()
var variableFormatType = dataVariableObject["variableFormatType"]
var variableIntervalType = dataVariableObject["variableIntervalType"]
var dataType = null
if (variableFormatType === "CHARACTER") {
dataType = "sc:Text"
} else if (variableFormatType === "NUMERIC") {
dataType = getNumericType(variableIntervalType)
}
filedSet = {}
filedSet["@type"] = "cr:Field"
filedSet["name"] = dataVariableObject["name"]
filedSet["description"] = dataVariableObject["label"]
filedSet["dataType"] = dataType
filedSet["source"] = { "@id": variableId, "fileObject": { "@id": fileId } }
fieldSetArray.add(fieldSet)
}
var recordSetContent = { "@type": "cr:RecordSet" }
recordSetContent["field"] = fieldSetArray
recordSet.add(recordSetContent)
}
}
var citation = x.datasetSchemaDotOrg["citation"]
if (citation) {
res["citation"] = citation
}
var temporalCoverage = x.datasetSchemaDotOrg["temporalCoverage"]
if (temporalCoverage) {
res["temporalCoverage"] = temporalCoverage
}
if (distribution.length !== 0) {
res["distribution"] = distribution
}
if (recordSet.length !== 0) {
res["recordSet"] = recordSet
}