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Update ECRR examples to pass CDIF Discovery validation
- Convert @context from array to object with schema: http://schema.org/ - Add schema:Dataset to @type arrays - Add schema:dateModified and schema:identifier where missing - Fix schema:subjectOf: add @id, schema:about, use @type schema:Dataset - Wrap schema:creator arrays in @list object - Add root-level schema:url to satisfy CDIF anyOf requirement - Convert array subjectOf to single catalog record object - Fix schema:relatedLink items to use schema:LinkRole pattern - Fix schema:keywords from string to array (Pyleoclim) - Remove non-conformant variableMeasured (ECRRDataset) Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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‎_sources/profiles/ecrrProfiles/ECRRCatalog/exampleECRRCatalog.json‎

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{
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"@context": [
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"https://schema.org/",
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{
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"ecrro": "http://cor.esipfed.org/ont/earthcube/",
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"ecrr": "https://n2t.net/ark:/23942/g2",
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"dct": "http://purl.org/dc/terms/",
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"dcterms": "http://purl.org/dc/terms/",
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"dcat": "http://www.w3.org/ns/dcat#"
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}
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],
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"@context": {
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"schema": "http://schema.org/",
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"ecrro": "http://cor.esipfed.org/ont/earthcube/",
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"ecrr": "https://n2t.net/ark:/23942/g2",
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"dcterms": "http://purl.org/dc/terms/",
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"dcat": "http://www.w3.org/ns/dcat#"
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},
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"@id": "http://n2t.net/ark:/23942/g2example-catalog",
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"@type": [
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"schema:CreativeWork",
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"schema:DataCatalog"
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"schema:DataCatalog",
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"schema:Dataset"
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],
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"schema:name": "EarthCube GeoCodes Metadata Catalog",
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"schema:additionalType": [
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"EC CatalogRegistry"
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],
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"schema:description": "A metadata catalog indexing geoscience datasets, tools, and services registered through the EarthCube GeoCodes system.",
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"schema:identifier": "http://n2t.net/ark:/23942/g2example-catalog",
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"schema:url": "https://www.earthcube.org/datasets",
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"schema:dateModified": "2026-03-03",
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"schema:mainEntity": {
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"@type": "schema:CreativeWork",
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"schema:url": "http://cor.esipfed.org/ont/earthcube/ECRRO_0000212",
@@ -32,8 +33,9 @@
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}
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],
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"schema:subjectOf": {
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"@id": "urn:uuid:ecrr-catalog-catalog-record",
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"@type": [
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"schema:CreativeWork"
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"schema:Dataset"
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],
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"schema:additionalType": [
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"dcat:CatalogRecord"
@@ -52,14 +54,19 @@
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"@id": "https://w3id.org/cdif/bbr/metadata/profiles/ecrrProfiles/ECRRCatalog"
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}
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],
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"schema:sdDatePublished": "2026-03-03"
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},
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"schema:creator": [
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{
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"@type": "schema:Organization",
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"schema:name": "EarthCube"
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"schema:sdDatePublished": "2026-03-03",
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"schema:about": {
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"@id": "http://n2t.net/ark:/23942/g2example-catalog"
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}
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],
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},
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"schema:creator": {
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"@list": [
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{
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"@type": "schema:Organization",
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"schema:name": "EarthCube"
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}
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]
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},
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"schema:about": [
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{
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"@type": "schema:DefinedTerm",

‎_sources/profiles/ecrrProfiles/ECRRCollection/exampleECRRCollection.json‎

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{
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"@context": [
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"https://schema.org/",
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{
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"ecrro": "http://cor.esipfed.org/ont/earthcube/",
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"ecrr": "https://n2t.net/ark:/23942/g2",
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"dct": "http://purl.org/dc/terms/",
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"dcterms": "http://purl.org/dc/terms/",
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"dcat": "http://www.w3.org/ns/dcat#"
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}
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],
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"@context": {
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"schema": "http://schema.org/",
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"ecrro": "http://cor.esipfed.org/ont/earthcube/",
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"ecrr": "https://n2t.net/ark:/23942/g2",
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"dcterms": "http://purl.org/dc/terms/",
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"dcat": "http://www.w3.org/ns/dcat#"
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},
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"@id": "http://n2t.net/ark:/23942/g2example-collection",
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"@type": [
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"schema:CreativeWork",
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"schema:Product"
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"schema:Product",
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"schema:Dataset"
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],
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"schema:name": "Geochemical Reference Standards Bundle",
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"schema:additionalType": [
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"EC Bundled Object"
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],
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"schema:description": "A curated collection of geochemical reference standard datasets, software tools, and documentation for analytical laboratory calibration.",
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"schema:identifier": "http://n2t.net/ark:/23942/g2example-collection",
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"schema:url": "http://n2t.net/ark:/23942/g2example-collection",
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"schema:dateModified": "2026-03-03",
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"schema:mainEntity": {
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"@type": "schema:CreativeWork",
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"schema:url": "http://cor.esipfed.org/ont/earthcube/SFO_0000075",
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}
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],
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"schema:subjectOf": {
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"@id": "urn:uuid:ecrr-collection-catalog-record",
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"@type": [
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"schema:CreativeWork"
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"schema:Dataset"
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],
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"schema:additionalType": [
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"dcat:CatalogRecord"
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"@id": "https://w3id.org/cdif/bbr/metadata/profiles/ecrrProfiles/ECRRCollection"
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}
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],
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"schema:sdDatePublished": "2026-03-03"
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},
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"schema:creator": [
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{
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"@type": "schema:Organization",
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"schema:name": "USGS Geochemistry Lab"
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"schema:sdDatePublished": "2026-03-03",
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"schema:about": {
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"@id": "http://n2t.net/ark:/23942/g2example-collection"
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}
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],
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},
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"schema:creator": {
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"@list": [
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{
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"@type": "schema:Organization",
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"schema:name": "USGS Geochemistry Lab"
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}
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]
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},
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"schema:about": [
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{
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"@type": "schema:DefinedTerm",

‎_sources/profiles/ecrrProfiles/ECRRDataset/exampleECRRDataset.json‎

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{
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"@context": [
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"https://schema.org/",
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{
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"ecrro": "http://cor.esipfed.org/ont/earthcube/",
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"ecrr": "https://n2t.net/ark:/23942/g2",
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"dct": "http://purl.org/dc/terms/",
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"dcterms": "http://purl.org/dc/terms/",
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"dcat": "http://www.w3.org/ns/dcat#"
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}
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],
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"@context": {
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"schema": "http://schema.org/",
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"ecrro": "http://cor.esipfed.org/ont/earthcube/",
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"ecrr": "https://n2t.net/ark:/23942/g2",
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"dcterms": "http://purl.org/dc/terms/",
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"dcat": "http://www.w3.org/ns/dcat#"
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},
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"@id": "http://n2t.net/ark:/23942/g2example-dataset",
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"@type": [
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"schema:CreativeWork",
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"EC Dataset"
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],
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"schema:description": "Monthly global surface temperature anomaly data relative to the 1951-1980 base period, derived from meteorological station and ocean observations.",
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"schema:identifier": "http://n2t.net/ark:/23942/g2example-dataset",
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"schema:url": "https://example.org/data/global-surface-temperature-anomalies",
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"schema:dateModified": "2026-03-03",
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"schema:mainEntity": {
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"@type": "schema:CreativeWork",
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"schema:url": "http://cor.esipfed.org/ont/earthcube/ECRRO_0000214",
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}
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],
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"schema:subjectOf": {
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"@id": "urn:uuid:ecrr-dataset-catalog-record",
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"@type": [
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"schema:CreativeWork"
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"schema:Dataset"
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],
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"schema:additionalType": [
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"dcat:CatalogRecord"
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"@id": "https://w3id.org/cdif/bbr/metadata/profiles/ecrrProfiles/ECRRDataset"
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}
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],
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"schema:sdDatePublished": "2026-03-03"
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},
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"schema:creator": [
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{
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"@type": "schema:Organization",
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"schema:name": "Example Climate Institute"
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"schema:sdDatePublished": "2026-03-03",
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"schema:about": {
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"@id": "http://n2t.net/ark:/23942/g2example-dataset"
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}
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],
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},
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"schema:creator": {
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"@list": [
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{
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"@type": "schema:Organization",
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"schema:name": "Example Climate Institute"
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}
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]
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},
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"schema:about": [
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{
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"@type": "schema:DefinedTerm",
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"schema:temporalCoverage": [
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"1880-01-01/2023-12-31"
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],
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"schema:variableMeasured": [
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{
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"@type": [
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"schema:PropertyValue"
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],
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"schema:name": "Surface Temperature Anomaly",
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"schema:description": "Deviation of monthly surface temperature from 1951-1980 average",
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"schema:unitText": "degrees Celsius"
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}
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],
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"schema:includedInDataCatalog": {
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"@type": "schema:DataCatalog",
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"schema:name": "EarthCube Data Catalog",

‎_sources/profiles/ecrrProfiles/ECRRInterchangeFormat/exampleECRRInterchangeFormat.json‎

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{
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"@context": [
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"https://schema.org/",
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{
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"ecrro": "http://cor.esipfed.org/ont/earthcube/",
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"ecrr": "https://n2t.net/ark:/23942/g2",
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"dct": "http://purl.org/dc/terms/",
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"dcterms": "http://purl.org/dc/terms/",
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"dcat": "http://www.w3.org/ns/dcat#"
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}
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],
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"@context": {
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"schema": "http://schema.org/",
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"ecrro": "http://cor.esipfed.org/ont/earthcube/",
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"ecrr": "https://n2t.net/ark:/23942/g2",
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"dcterms": "http://purl.org/dc/terms/",
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"dcat": "http://www.w3.org/ns/dcat#"
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},
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"@id": "http://n2t.net/ark:/23942/g2example-interchange",
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"@type": [
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"schema:CreativeWork",
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"schema:Product"
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"schema:Product",
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"schema:Dataset"
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],
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"schema:name": "NetCDF (Network Common Data Form)",
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"schema:additionalType": [
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"EC Interchange Format"
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],
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"schema:description": "NetCDF is a set of software libraries and machine-independent data formats that support the creation, access, and sharing of array-oriented scientific data. It is widely used in atmospheric and ocean sciences for gridded data interchange.",
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"schema:identifier": "http://n2t.net/ark:/23942/g2example-interchange",
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"schema:url": "https://www.unidata.ucar.edu/software/netcdf/",
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"schema:dateModified": "2026-03-03",
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"schema:mainEntity": {
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"@type": "schema:CreativeWork",
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"schema:url": "http://cor.esipfed.org/ont/earthcube/ECRRO_0000208",
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}
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],
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"schema:subjectOf": {
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"@id": "urn:uuid:ecrr-interchangeformat-catalog-record",
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"@type": [
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"schema:CreativeWork"
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"schema:Dataset"
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],
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"schema:additionalType": [
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"dcat:CatalogRecord"
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"@id": "https://w3id.org/cdif/bbr/metadata/profiles/ecrrProfiles/ECRRInterchangeFormat"
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}
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],
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"schema:sdDatePublished": "2026-03-03"
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},
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"schema:creator": [
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{
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"@type": "schema:Organization",
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"schema:name": "Unidata/UCAR"
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"schema:sdDatePublished": "2026-03-03",
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"schema:about": {
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"@id": "http://n2t.net/ark:/23942/g2example-interchange"
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}
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],
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},
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"schema:creator": {
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"@list": [
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{
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"@type": "schema:Organization",
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"schema:name": "Unidata/UCAR"
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}
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]
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},
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"schema:about": [
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{
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"@type": "schema:DefinedTerm",

‎_sources/profiles/ecrrProfiles/ECRRInterface/exampleECRRInterface.json‎

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{
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"@context": [
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"https://schema.org/",
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{
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"ecrro": "http://cor.esipfed.org/ont/earthcube/",
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"ecrr": "https://n2t.net/ark:/23942/g2",
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"dct": "http://purl.org/dc/terms/",
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"dcterms": "http://purl.org/dc/terms/",
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"dcat": "http://www.w3.org/ns/dcat#"
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}
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],
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"@context": {
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"schema": "http://schema.org/",
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"ecrro": "http://cor.esipfed.org/ont/earthcube/",
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"ecrr": "https://n2t.net/ark:/23942/g2",
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"dcterms": "http://purl.org/dc/terms/",
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"dcat": "http://www.w3.org/ns/dcat#"
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},
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"@id": "http://n2t.net/ark:/23942/g2example-interface",
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"@type": [
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"schema:CreativeWork",
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"schema:Product"
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"schema:Product",
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"schema:Dataset"
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],
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"schema:name": "OGC Web Map Service (WMS) Interface Standard",
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"schema:additionalType": [
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"EC Interface_API"
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],
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"schema:description": "The OpenGIS Web Map Service Interface Standard (WMS) provides a simple HTTP interface for requesting geo-registered map images from one or more distributed geospatial databases.",
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"schema:identifier": "http://n2t.net/ark:/23942/g2example-interface",
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"schema:url": "https://www.ogc.org/standard/wms/",
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"schema:dateModified": "2026-03-03",
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"schema:mainEntity": {
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"@type": "schema:CreativeWork",
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"schema:url": "http://cor.esipfed.org/ont/earthcube/ECRRO_0000207",
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}
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],
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"schema:subjectOf": {
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"@id": "urn:uuid:ecrr-interface-catalog-record",
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"@type": [
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"schema:CreativeWork"
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"schema:Dataset"
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],
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"schema:additionalType": [
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"dcat:CatalogRecord"
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"@id": "https://w3id.org/cdif/bbr/metadata/profiles/ecrrProfiles/ECRRInterface"
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}
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],
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"schema:sdDatePublished": "2026-03-03"
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},
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"schema:creator": [
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{
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"@type": "schema:Organization",
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"schema:name": "Open Geospatial Consortium (OGC)"
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"schema:sdDatePublished": "2026-03-03",
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"schema:about": {
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"@id": "http://n2t.net/ark:/23942/g2example-interface"
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}
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],
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},
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"schema:creator": {
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"@list": [
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{
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"@type": "schema:Organization",
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"schema:name": "Open Geospatial Consortium (OGC)"
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}
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]
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},
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"schema:about": [
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{
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"@type": "schema:DefinedTerm",

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