{
  "id": "olca",
  "acronym": "OLCA",
  "name": "Ontology Loose Coupling Annotation",
  "category": "metadata",
  "kind": "vocabulary",
  "description": "A vocabulary defining annotations enabling loose coupling between classes and properties in ontologies. Those annotations define with some accuracy the expected use of properties, in particular across vocabularies, without the formal constraints entailed by the use of OWL or RDFS constructions",
  "formats": [
    "RDF"
  ],
  "homepage": "https://w3id.org/vocab/olca#",
  "download": "https://lov.linkeddata.es/dataset/lov/vocabs/olca/versions/2020-05-31.n3",
  "registryStats": {
    "lov": {
      "reusedByVocabularies": 0,
      "reusedByDatasets": 0,
      "occurrencesInDatasets": 0,
      "modified": "2020-05-31",
      "namespace": "https://w3id.org/vocab/olca#"
    }
  },
  "publications": [],
  "usedBy": [],
  "tags": [
    "metadata"
  ],
  "url": "https://schemascope.org/o/olca/",
  "evaluation": {
    "links": {
      "homepage": {
        "url": "https://w3id.org/vocab/olca#",
        "code": 200,
        "state": "ok",
        "resolvedUrl": "http://linkedvocabs.org/vocab/olca/olca.rdf",
        "lastModified": "2020-06-01T15:07:46.000Z",
        "checkedAt": "2026-10-26T03:10:43.754Z"
      },
      "repository": null,
      "download": {
        "url": "https://lov.linkeddata.es/dataset/lov/vocabs/olca/versions/2020-05-31.n3",
        "code": 0,
        "state": "dead",
        "error": "fetch failed",
        "checkedAt": "2026-10-26T03:11:04.118Z"
      }
    },
    "github": null,
    "ols": null,
    "obo": null,
    "bioportal": null,
    "citations": [],
    "git": null,
    "tib": null,
    "dashboard": null,
    "quality": null,
    "oops": null,
    "releases": {
      "dates": [],
      "lastYear": 0,
      "from": null
    },
    "bioregistry": null,
    "artifact": {
      "source": "https://lov.linkeddata.es/dataset/lov/vocabs/olca/versions/2020-05-31.n3",
      "error": "fetch failed",
      "fetchedAt": "2026-10-26T03:10:53.622Z"
    },
    "score": 6,
    "gross": 11,
    "earned": 11,
    "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": 11,
    "breakdown": {
      "findable": {
        "score": 0,
        "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": 0,
            "max": 5,
            "detail": "not indexed anywhere"
          },
          {
            "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): not indexed anywhere",
          "Citable reference (F2): no reference publication listed"
        ]
      },
      "accessible": {
        "score": 3,
        "max": 12,
        "steps": [
          {
            "label": "Homepage reachable",
            "pts": 3,
            "max": 3,
            "detail": "HTTP 200"
          },
          {
            "label": "Artefact retrievable over HTTP(S) (A1)",
            "pts": 0,
            "max": 6,
            "detail": "unreachable"
          },
          {
            "label": "Metadata persists in a registry (A2)",
            "pts": 0,
            "max": 3,
            "detail": "not in Bioregistry or OBO Foundry"
          }
        ],
        "notes": [
          "Artefact retrievable over HTTP(S) (A1): unreachable",
          "Metadata persists in a registry (A2): not in Bioregistry or OBO Foundry"
        ]
      },
      "interoperable": {
        "score": 8,
        "max": 12,
        "steps": [
          {
            "label": "Formal machine-readable format (I1)",
            "pts": 5,
            "max": 5,
            "detail": "RDF"
          },
          {
            "label": "Semantic-web IRIs (I2)",
            "pts": 3,
            "max": 3,
            "detail": "RDF"
          },
          {
            "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": 0,
        "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"
          }
        ],
        "notes": [
          "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"
        ]
      },
      "adoption": {
        "score": 0,
        "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": null,
    "adopterCount": 0,
    "reuseCount": 0,
    "importCount": 0,
    "registries": [],
    "evaluatedVersion": null,
    "evaluatedAt": "2026-10-26T03:11:04.119Z",
    "runId": "2026-10-26T02-37-38Z",
    "adopters": []
  },
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      "runId": "2026-10-26T02-37-38Z",
      "at": "2026-10-26T03:31:18.947Z",
      "score": 6,
      "grade": "E",
      "fair": 11,
      "version": null,
      "terms": null,
      "stars": null,
      "license": null,
      "lastActivity": null,
      "adopters": 0,
      "links": {
        "homepage": "ok",
        "download": "dead"
      },
      "archived": false,
      "rubric": "3.4",
      "snapshot": "https://schemascope.org/runs/2026-10-26T02-37-38Z.json"
    }
  ],
  "changes": [],
  "recordProvenance": {
    "source": "harvest",
    "retrievedAt": "2026-10-25T21:49:00Z",
    "registries": [
      {
        "registry": "Linked Open Vocabularies (LOV)",
        "key": "lov",
        "id": "olca",
        "url": "https://lov.linkeddata.es/dataset/lov/vocabs/olca",
        "retrievedAt": "2026-10-25T21:49:00Z"
      }
    ],
    "fields": {
      "acronym": "Linked Open Vocabularies (LOV)",
      "name": "Linked Open Vocabularies (LOV)",
      "description": "Linked Open Vocabularies (LOV)",
      "homepage": "Linked Open Vocabularies (LOV)",
      "download": "Linked Open Vocabularies (LOV)",
      "formats": "Linked Open Vocabularies (LOV)",
      "tags": "Linked Open Vocabularies (LOV)"
    }
  },
  "evaluationProvenance": {
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      "prov": "http://www.w3.org/ns/prov#",
      "schemascope": "https://schemascope.org/ns#"
    },
    "@id": "https://schemascope.org/o/olca/#evaluation",
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    "prov:specializationOf": {
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        "@type": "prov:SoftwareAgent",
        "schemascope:version": "2.0.0"
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          "prov:atTime": "2026-10-26T03:10:43.754Z"
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        {
          "@id": "https://lov.linkeddata.es/dataset/lov/vocabs/olca/versions/2020-05-31.n3",
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    "prov:generatedAtTime": "2026-10-26T03:11:04.119Z"
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}