{
  "id": "skos-thes",
  "acronym": "skos.thes",
  "name": "SKOS Thesaurus Extension",
  "category": "metadata",
  "kind": "ontology",
  "description": "SKOS-Thes: An extension to SKOS based on the ISO 25964 data model. The ISO 25964 standard, published in 2011, covers all aspects of developing thesauri and setting up mappings across vocabularies to encourage high quality information retrieval across networked resources. [from https://www.dublincore.org/specifications/skos-thes/]",
  "formats": [
    "OWL"
  ],
  "homepage": "https://www.dublincore.org/specifications/skos-thes/ns",
  "download": "https://www.dublincore.org/specifications/skos-thes/ns/skos-thes.ttl",
  "bioregistry": "skos.thes",
  "registryStats": {
    "lov": {
      "reusedByVocabularies": 0,
      "reusedByDatasets": 0,
      "occurrencesInDatasets": 0,
      "modified": "2015-03-17",
      "namespace": "http://purl.org/iso25964/skos-thes#"
    }
  },
  "publications": [],
  "usedBy": [],
  "tags": [
    "ontology"
  ],
  "url": "https://schemascope.org/o/skos-thes/",
  "evaluation": {
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      "homepage": {
        "url": "https://www.dublincore.org/specifications/skos-thes/ns",
        "code": 200,
        "state": "ok",
        "resolvedUrl": "https://www.dublincore.org/specifications/skos-thes/",
        "checkedAt": "2026-10-26T03:22:11.695Z"
      },
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      "download": {
        "url": "https://www.dublincore.org/specifications/skos-thes/ns/skos-thes.ttl",
        "code": 200,
        "state": "ok",
        "checkedAt": "2026-10-26T03:22:11.671Z"
      }
    },
    "github": null,
    "ols": null,
    "obo": null,
    "bioportal": null,
    "citations": [],
    "git": null,
    "tib": null,
    "dashboard": null,
    "quality": null,
    "oops": null,
    "releases": {
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      "lastYear": 0,
      "from": null
    },
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      "name": "SKOS Thesaurus Extension",
      "mappings": {},
      "dependsOn": [],
      "appearsIn": [],
      "license": null,
      "version": null,
      "deprecated": false,
      "page": "https://bioregistry.io/skos.thes",
      "source": "https://bioregistry.io/api/registry/skos.thes",
      "fetchedAt": "2026-10-26T03:22:11.478Z"
    },
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      "source": "https://www.dublincore.org/specifications/skos-thes/ns/skos-thes.ttl",
      "isRdf": true,
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      "contentType": "text/turtle",
      "fetchedAt": "2026-10-26T03:22:11.675Z"
    },
    "score": 16,
    "gross": 21,
    "earned": 21,
    "possible": 100,
    "qualityApplies": true,
    "penalty": {
      "score": -5,
      "reason": "no commits, releases or dated files found",
      "steps": [
        {
          "label": "No activity evidence",
          "pts": -5,
          "detail": "no commits, releases or dated files found"
        },
        {
          "label": "Inactive status",
          "pts": 0,
          "detail": "not archived, legacy or inactive"
        },
        {
          "label": "Consistency",
          "pts": 0,
          "detail": "not yet checked by a reasoner"
        }
      ]
    },
    "consistent": null,
    "grade": "E",
    "fair": 21,
    "breakdown": {
      "findable": {
        "score": 1,
        "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": 1,
            "max": 5,
            "detail": "1: Bioregistry"
          },
          {
            "label": "Citable reference (F2)",
            "pts": 0,
            "max": 3,
            "detail": "no reference publication listed"
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          "Persistent identifier (F1): no PURL / w3id / DOI for the artefact",
          "Indexed in services (F4): 1: Bioregistry",
          "Citable reference (F2): no reference publication listed"
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        "max": 12,
        "steps": [
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            "label": "Homepage reachable",
            "pts": 3,
            "max": 3,
            "detail": "HTTP 200"
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          {
            "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": []
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      "interoperable": {
        "score": 8,
        "max": 12,
        "steps": [
          {
            "label": "Formal machine-readable format (I1)",
            "pts": 5,
            "max": 5,
            "detail": "OWL"
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          {
            "label": "Semantic-web IRIs (I2)",
            "pts": 3,
            "max": 3,
            "detail": "OWL"
          },
          {
            "label": "References other vocabularies (I3)",
            "pts": 0,
            "max": 4,
            "detail": "no imported vocabularies found"
          }
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        "notes": [
          "References other vocabularies (I3): no imported vocabularies found"
        ]
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      "reusable": {
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        "max": 12,
        "steps": [
          {
            "label": "Clear license (R1.1)",
            "pts": 0,
            "max": 5,
            "detail": "none found"
          },
          {
            "label": "Release provenance (R1.2)",
            "pts": 0,
            "max": 4,
            "detail": "no version in artefact, registry or release tags"
          },
          {
            "label": "Community standards (R1.3)",
            "pts": 0,
            "max": 3,
            "detail": "no independent compliance report (not on the OBO Dashboard)"
          }
        ],
        "notes": [
          "Clear license (R1.1): none found",
          "Release provenance (R1.2): no version in artefact, registry or release tags",
          "Community standards (R1.3): no independent compliance report (not on the OBO Dashboard)"
        ]
      },
      "quality": {
        "score": 0,
        "max": 20,
        "steps": [
          {
            "label": "Logical consistency",
            "pts": 0,
            "max": 10,
            "detail": "never checked by a reasoner"
          },
          {
            "label": "OWL 2 DL profile",
            "pts": 0,
            "max": 2,
            "detail": "profile not checked"
          },
          {
            "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": "no ROBOT report available"
          },
          {
            "label": "ROBOT report: warning density",
            "pts": 0,
            "max": 1,
            "detail": "no ROBOT report available"
          },
          {
            "label": "Pitfall scan: no critical pitfalls",
            "pts": 0,
            "max": 1,
            "detail": "no pitfall scan or ROBOT report yet"
          }
        ],
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          "Logical consistency: never checked by a reasoner",
          "OWL 2 DL profile: profile not checked",
          "Upper-ontology alignment: no BFO/COB/DOLCE import found",
          "Standard relations (RO): does not import the Relation Ontology",
          "ROBOT report: no errors: no ROBOT report available",
          "ROBOT report: warning density: no ROBOT report available",
          "Pitfall scan: no critical pitfalls: no pitfall scan or ROBOT report yet"
        ]
      },
      "maintenance": {
        "score": 0,
        "max": 16,
        "steps": [
          {
            "label": "Recency",
            "pts": 0,
            "max": 10,
            "detail": "no activity evidence"
          },
          {
            "label": "Release cadence (12 months)",
            "pts": 0,
            "max": 6,
            "detail": "0 releases"
          }
        ],
        "notes": [
          "Recency: no activity evidence",
          "Release cadence (12 months): 0 releases"
        ]
      },
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        "score": 0,
        "max": 16,
        "steps": [
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            "label": "Documented adopting projects",
            "pts": 0,
            "max": 7,
            "detail": "0 projects"
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            "label": "Reused by other ontologies",
            "pts": 0,
            "max": 4,
            "detail": "0"
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            "label": "Community signal",
            "pts": 0,
            "max": 5,
            "detail": "max(stars 0 → 0, citations 0 → 0)"
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        ],
        "notes": [
          "Documented adopting projects: 0 projects",
          "Reused by other ontologies: 0",
          "Community signal: max(stars 0 → 0, citations 0 → 0)"
        ]
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    "adopterCount": 0,
    "reuseCount": 0,
    "importCount": 0,
    "registries": [
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    "evaluatedVersion": null,
    "evaluatedAt": "2026-10-26T03:22:11.696Z",
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      "rubric": "3.4",
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