{
  "id": "dcat",
  "acronym": "DCAT",
  "name": "Data Catalog",
  "category": "metadata",
  "domains": [
    "earth",
    "computing",
    "humanities"
  ],
  "kind": "ontology",
  "description": "DCAT is an RDF vocabulary designed to facilitate interoperability between data catalogs published on the Web",
  "formats": [
    "OWL",
    "Turtle"
  ],
  "license": "CC BY 4.0",
  "homepage": "https://www.w3.org/ns/dcat",
  "download": "http://www.w3.org/ns/dcat",
  "ols": "dcat",
  "bioportal": "DCAT",
  "bioregistry": "dcat",
  "registryStats": {
    "lov": {
      "reusedByVocabularies": 0,
      "reusedByDatasets": 0,
      "occurrencesInDatasets": 0,
      "modified": "2020-02-04",
      "namespace": "http://www.w3.org/ns/dcat#"
    },
    "discovery": {
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      "triples": 1695,
      "versionInfo": "3",
      "versionIri": "http://www.w3.org/ns/dcat3"
    }
  },
  "publications": [],
  "usedBy": [],
  "tags": [
    "computer science",
    "ess",
    "ontology",
    "w3c rec"
  ],
  "url": "https://schemascope.org/o/dcat/",
  "evaluation": {
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      "homepage": {
        "url": "https://www.w3.org/ns/dcat",
        "code": 200,
        "state": "ok",
        "lastModified": "2025-09-03T18:39:04.000Z",
        "checkedAt": "2026-10-26T02:49:50.209Z"
      },
      "repository": null,
      "download": {
        "url": "http://www.w3.org/ns/dcat",
        "code": 200,
        "state": "ok",
        "resolvedUrl": "https://www.w3.org/ns/dcat",
        "lastModified": "2025-09-03T18:39:04.000Z",
        "checkedAt": "2026-10-26T02:49:50.228Z"
      }
    },
    "github": null,
    "ols": {
      "portal": "OLS (EMBL-EBI)",
      "id": "dcat",
      "api": "v2",
      "title": null,
      "iri": "http://www.w3.org/ns/dcat",
      "versionIri": "http://www.w3.org/ns/dcat3",
      "version": "3",
      "releaseDate": null,
      "terms": 77,
      "properties": 259,
      "individuals": 1,
      "importsFrom": [
        "dcterms",
        "owl",
        "rdfs",
        "skos"
      ],
      "exportsTo": [],
      "languages": [
        "ar",
        "cs",
        "da",
        "el",
        "en",
        "en-GB",
        "en-US",
        "es",
        "fr",
        "it",
        "ja"
      ],
      "loaded": "2026-10-25T00:14:08.788626610",
      "sourceFileTimestamp": "Sun Oct 25 00:14:08 UTC 2026",
      "obsolete": false,
      "status": "LOADED",
      "page": "https://www.ebi.ac.uk/ols4/ontologies/dcat",
      "source": "https://www.ebi.ac.uk/ols4/api/v2/ontologies/dcat",
      "fetchedAt": "2026-10-26T02:49:50.223Z"
    },
    "obo": null,
    "bioportal": null,
    "citations": [],
    "git": null,
    "tib": {
      "portal": "TIB Terminology Service",
      "id": "dcat3",
      "source": "https://service.tib.eu/ts4tib/api/ontologies/dcat3",
      "error": "not found (404)",
      "fetchedAt": "2026-10-26T02:49:50.793Z"
    },
    "dashboard": null,
    "quality": {
      "reasoner": "ELK",
      "robotVersion": "ROBOT version 1.9.7",
      "consistent": true,
      "unsatisfiable": 0,
      "owl2dl": false,
      "robot": {
        "ERROR": 300,
        "WARN": 54,
        "INFO": 16
      },
      "checkedAt": "2026-10-25T21:54:03.048Z",
      "sha256": "d1624d3bbf364f6fc1d43b9a188bbb9e67639b1a7d46a5cb7ea3f5d47d02b62f",
      "source": "data/quality/dcat.json"
    },
    "oops": {
      "engine": "SchemaScope Python scan (OOPS! pitfall subset)",
      "critical": 0,
      "important": 2,
      "minor": 1,
      "pitfalls": [
        {
          "code": "P11",
          "name": "Missing domain or range in properties",
          "importance": "important",
          "affected": 12
        },
        {
          "code": "P10",
          "name": "Missing disjointness",
          "importance": "important",
          "affected": 1
        },
        {
          "code": "P13",
          "name": "Inverse relationships not explicitly declared",
          "importance": "minor",
          "affected": 22
        }
      ],
      "checked": [
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        "P19",
        "P39",
        "P38",
        "P41",
        "P34",
        "P35",
        "P11",
        "P10",
        "P08",
        "P13"
      ],
      "classes": 9,
      "attempts": [
        "local OOPS!: Command failed: docker run --rm -v /var/folders/qc/ymnxqz0x7g70whhm9jqspd8r0000gn/T/schemascope-quality/dcat:/work schemascope/oops --input-file /work/ontology.owl\nPicked up JAVA_TOOL_OPTIONS: -Xmx4g\n"
      ],
      "checkedAt": "2026-10-25T21:54:05.395Z",
      "sha256": "d1624d3bbf364f6fc1d43b9a188bbb9e67639b1a7d46a5cb7ea3f5d47d02b62f",
      "source": "data/quality/dcat.json"
    },
    "releases": {
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      "lastYear": 0,
      "from": null
    },
    "bioregistry": {
      "prefix": "dcat",
      "name": "Data Catalog",
      "mappings": {
        "aberowl": "DCAT",
        "biocontext": "dcat",
        "biodivportal": "DCAT",
        "biolink.resource": "dcat",
        "bioportal": "DCAT",
        "lov": "dcat",
        "ols": "dcat",
        "tib.ts": "dcat3",
        "zazuko": "dcat"
      },
      "dependsOn": [],
      "appearsIn": [],
      "license": "CC-BY-4.0",
      "version": "3",
      "deprecated": false,
      "page": "https://bioregistry.io/dcat",
      "source": "https://bioregistry.io/api/registry/dcat",
      "fetchedAt": "2026-10-26T02:49:50.084Z"
    },
    "artifact": {
      "source": "https://www.w3.org/ns/dcat",
      "isRdf": true,
      "versionIri": "http://www.w3.org/ns/dcat3",
      "versionInfo": "3",
      "etag": "\"30e99-63de9eb4597be;15e-63de9eb45787e\"",
      "contentType": "text/turtle",
      "fetchedAt": "2026-10-26T02:49:50.298Z"
    },
    "score": 45,
    "gross": 46,
    "earned": 46,
    "possible": 100,
    "qualityApplies": true,
    "penalty": {
      "score": -1,
      "reason": "1.1 years → 4 × max(0, 1.1 − 1)",
      "steps": [
        {
          "label": "Time since last activity",
          "pts": -1,
          "detail": "1.1 years → 4 × max(0, 1.1 − 1)"
        },
        {
          "label": "Inactive status",
          "pts": 0,
          "detail": "not archived, legacy or inactive"
        },
        {
          "label": "Consistency",
          "pts": 0,
          "detail": "consistent, no unsatisfiable classes"
        },
        {
          "label": "ROBOT report errors",
          "pts": 0,
          "detail": "300 errors against OBO conventions; not penalised (not an OBO-style ontology)"
        }
      ]
    },
    "consistent": true,
    "grade": "D",
    "fair": 33,
    "breakdown": {
      "findable": {
        "score": 4,
        "max": 12,
        "steps": [
          {
            "label": "Persistent identifier (F1)",
            "pts": 0,
            "max": 4,
            "detail": "no PURL / w3id / DOI for the artefact"
          },
          {
            "label": "Indexed in services (F4)",
            "pts": 4,
            "max": 5,
            "detail": "3: OLS, BioPortal, Bioregistry"
          },
          {
            "label": "Citable reference (F2)",
            "pts": 0,
            "max": 3,
            "detail": "no reference publication listed"
          }
        ],
        "notes": [
          "Persistent identifier (F1): no PURL / w3id / DOI for the artefact",
          "Indexed in services (F4): 3: OLS, BioPortal, Bioregistry",
          "Citable reference (F2): no reference publication listed"
        ]
      },
      "accessible": {
        "score": 12,
        "max": 12,
        "steps": [
          {
            "label": "Homepage reachable",
            "pts": 3,
            "max": 3,
            "detail": "HTTP 200"
          },
          {
            "label": "Artefact retrievable over HTTP(S) (A1)",
            "pts": 6,
            "max": 6,
            "detail": "download HTTP 200"
          },
          {
            "label": "Metadata persists in a registry (A2)",
            "pts": 3,
            "max": 3,
            "detail": "Bioregistry"
          }
        ],
        "notes": []
      },
      "interoperable": {
        "score": 8,
        "max": 12,
        "steps": [
          {
            "label": "Formal machine-readable format (I1)",
            "pts": 5,
            "max": 5,
            "detail": "OWL, Turtle"
          },
          {
            "label": "Semantic-web IRIs (I2)",
            "pts": 3,
            "max": 3,
            "detail": "OWL, Turtle"
          },
          {
            "label": "References other vocabularies (I3)",
            "pts": 0,
            "max": 4,
            "detail": "no imported vocabularies found"
          }
        ],
        "notes": [
          "References other vocabularies (I3): no imported vocabularies found"
        ]
      },
      "reusable": {
        "score": 9,
        "max": 12,
        "steps": [
          {
            "label": "Clear license (R1.1)",
            "pts": 5,
            "max": 5,
            "detail": "CC BY 4.0"
          },
          {
            "label": "Release provenance (R1.2)",
            "pts": 4,
            "max": 4,
            "detail": "http://www.w3.org/ns/dcat3 (version IRI in the artefact)"
          },
          {
            "label": "Community standards (R1.3)",
            "pts": 0,
            "max": 3,
            "detail": "no independent compliance report (not on the OBO Dashboard)"
          }
        ],
        "notes": [
          "Community standards (R1.3): no independent compliance report (not on the OBO Dashboard)"
        ]
      },
      "quality": {
        "score": 11,
        "max": 20,
        "steps": [
          {
            "label": "Logical consistency",
            "pts": 10,
            "max": 10,
            "detail": "consistent, 0 unsatisfiable classes (ROBOT ELK in SchemaScope CI)"
          },
          {
            "label": "OWL 2 DL profile",
            "pts": 0,
            "max": 2,
            "detail": "outside OWL 2 DL"
          },
          {
            "label": "Upper-ontology alignment",
            "pts": 0,
            "max": 3,
            "detail": "no BFO/COB/DOLCE import found"
          },
          {
            "label": "Standard relations (RO)",
            "pts": 0,
            "max": 1,
            "detail": "does not import the Relation Ontology"
          },
          {
            "label": "ROBOT report: no errors",
            "pts": 0,
            "max": 2,
            "detail": "300 errors"
          },
          {
            "label": "ROBOT report: warning density",
            "pts": 0,
            "max": 1,
            "detail": "54 warnings / 77 classes = 0.70"
          },
          {
            "label": "Pitfall scan: no critical pitfalls",
            "pts": 1,
            "max": 1,
            "detail": "0 critical, 2 important, 1 minor pitfall types (SchemaScope Python scan (OOPS! pitfall subset))"
          }
        ],
        "notes": [
          "OWL 2 DL profile: outside OWL 2 DL",
          "Upper-ontology alignment: no BFO/COB/DOLCE import found",
          "Standard relations (RO): does not import the Relation Ontology",
          "ROBOT report: no errors: 300 errors",
          "ROBOT report: warning density: 54 warnings / 77 classes = 0.70"
        ]
      },
      "maintenance": {
        "score": 2,
        "max": 16,
        "steps": [
          {
            "label": "Recency",
            "pts": 2,
            "max": 10,
            "detail": "2025-09-03 → 13.7 months (≤ 2 years)"
          },
          {
            "label": "Release cadence (12 months)",
            "pts": 0,
            "max": 6,
            "detail": "0 releases"
          }
        ],
        "notes": [
          "Recency: 2025-09-03 → 13.7 months (≤ 2 years)",
          "Release cadence (12 months): 0 releases"
        ]
      },
      "adoption": {
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        "max": 16,
        "steps": [
          {
            "label": "Documented adopting projects",
            "pts": 0,
            "max": 7,
            "detail": "0 projects"
          },
          {
            "label": "Reused by other ontologies",
            "pts": 0,
            "max": 4,
            "detail": "0"
          },
          {
            "label": "Community signal",
            "pts": 0,
            "max": 5,
            "detail": "max(stars 0 → 0, citations 0 → 0)"
          }
        ],
        "notes": [
          "Documented adopting projects: 0 projects",
          "Reused by other ontologies: 0",
          "Community signal: max(stars 0 → 0, citations 0 → 0)"
        ]
      }
    },
    "lastActivity": "2025-09-03T18:39:04.000Z",
    "adopterCount": 0,
    "reuseCount": 0,
    "importCount": 0,
    "registries": [
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      "BioPortal",
      "Bioregistry"
    ],
    "evaluatedVersion": {
      "label": "http://www.w3.org/ns/dcat3",
      "from": "version IRI in the artefact",
      "value": "http://www.w3.org/ns/dcat3",
      "inArtefact": true,
      "all": [
        {
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          "from": "version IRI in the artefact",
          "value": "http://www.w3.org/ns/dcat3",
          "inArtefact": true
        },
        {
          "label": "3",
          "from": "version info in the artefact",
          "value": "3",
          "inArtefact": true
        },
        {
          "label": "3",
          "from": "OLS",
          "value": "http://www.w3.org/ns/dcat3"
        },
        {
          "label": "file of 2025-09-03",
          "from": "Last-Modified of the download",
          "value": "2025-09-03T18:39:04.000Z"
        }
      ]
    },
    "evaluatedAt": "2026-10-26T02:49:50.795Z",
    "runId": "2026-10-26T02-37-38Z",
    "adopters": []
  },
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      "at": "2026-10-26T03:31:18.947Z",
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      "grade": "D",
      "fair": 33,
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      "terms": 77,
      "stars": null,
      "license": null,
      "lastActivity": "2025-09-03T18:39:04.000Z",
      "adopters": 0,
      "links": {
        "homepage": "ok",
        "download": "ok"
      },
      "archived": false,
      "rubric": "3.4",
      "snapshot": "https://schemascope.org/runs/2026-10-26T02-37-38Z.json"
    }
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  "changes": [],
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    "source": "harvest",
    "retrievedAt": "2026-10-25T22:04:44Z",
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        "retrievedAt": "2026-10-25T21:49:00Z"
      },
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        "retrievedAt": "2026-10-25T21:49:00Z"
      },
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        "retrievedAt": "2026-10-25T21:49:00Z"
      },
      {
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        "retrievedAt": "2026-10-25T21:49:00Z"
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        "registry": "Linked Open Vocabularies (LOV)",
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        "url": "https://lov.linkeddata.es/dataset/lov/vocabs/dcat",
        "retrievedAt": "2026-10-25T21:49:00Z"
      },
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        "registry": "Discovered via prefix.cc",
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      "ols": "Bioregistry",
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      "tags": "Bioregistry"
    },
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      "formats": [
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        "Turtle"
      ],
      "kind": "ontology",
      "acronym": "DCAT"
    },
    "overridesNote": "curated by SchemaScope, takes precedence over registry values"
  },
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      "prov": "http://www.w3.org/ns/prov#",
      "schemascope": "https://schemascope.org/ns#"
    },
    "@id": "https://schemascope.org/o/dcat/#evaluation",
    "@type": "prov:Entity",
    "prov:specializationOf": {
      "@id": "http://www.w3.org/ns/dcat",
      "schemascope:evaluatedVersion": "http://www.w3.org/ns/dcat3"
    },
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      "@type": "prov:Activity",
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      "prov:endedAtTime": "2026-10-26T03:31:18.947Z",
      "prov:wasAssociatedWith": {
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        "@type": "prov:SoftwareAgent",
        "schemascope:version": "2.0.0"
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          "prov:atTime": "2026-10-26T02:49:50.209Z"
        },
        {
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        },
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          "prov:atTime": "2026-10-26T02:49:50.298Z"
        },
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        },
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        }
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    "prov:generatedAtTime": "2026-10-26T02:49:50.795Z"
  }
}