{
  "id": "nkos",
  "acronym": "NKOS",
  "name": "Networked Knowledge Organization Systems/Services/Structures",
  "category": "society",
  "kind": "ontology",
  "description": "NKOS is devoted to the discussion of the functional and data model for enabling knowledge organization systems/services (KOS), such as classification systems, thesauri, gazetteers, and ontologies, as networked interactive information services to support the description and retrieval of diverse information resources through the Internet. Knowledge Organization Systems/Services (KOS) model the underlying semantic structure of a domain. Embodied as Web-based services, they can facilitate resource discovery and retrieval.",
  "formats": [
    "OWL"
  ],
  "homepage": "http://w3id.org/nkos",
  "download": "https://nkos.dublincore.org/nkos.rdf",
  "bioregistry": "nkos",
  "publications": [],
  "usedBy": [],
  "tags": [
    "ontology"
  ],
  "url": "https://schemascope.org/o/nkos/",
  "evaluation": {
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      "homepage": {
        "url": "http://w3id.org/nkos",
        "code": 200,
        "state": "ok",
        "resolvedUrl": "https://nkos.dublincore.org/",
        "lastModified": "2026-08-08T21:49:39.000Z",
        "checkedAt": "2026-10-26T03:08:23.460Z"
      },
      "repository": null,
      "download": {
        "url": "https://nkos.dublincore.org/nkos.rdf",
        "code": 200,
        "state": "ok",
        "lastModified": "2026-08-08T21:49:39.000Z",
        "checkedAt": "2026-10-26T03:08:23.090Z"
      }
    },
    "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": {
      "prefix": "nkos",
      "name": "Networked Knowledge Organization Systems/Services/Structures",
      "mappings": {},
      "dependsOn": [],
      "appearsIn": [],
      "license": null,
      "version": null,
      "deprecated": false,
      "page": "https://bioregistry.io/nkos",
      "source": "https://bioregistry.io/api/registry/nkos",
      "fetchedAt": "2026-10-26T03:08:22.936Z"
    },
    "artifact": {
      "source": "https://nkos.dublincore.org/nkos.rdf",
      "isRdf": true,
      "etag": "\"6a77a473-9922\"",
      "contentType": "application/rdf+xml",
      "fetchedAt": "2026-10-26T03:08:23.139Z"
    },
    "score": 31,
    "gross": 31,
    "earned": 31,
    "possible": 100,
    "qualityApplies": true,
    "penalty": {
      "score": 0,
      "reason": "no penalties (active)",
      "steps": [
        {
          "label": "Time since last activity",
          "pts": 0,
          "detail": "0.2 years → 4 × max(0, 0.2 − 1)"
        },
        {
          "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": {
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        "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"
          }
        ],
        "notes": [
          "Persistent identifier (F1): no PURL / w3id / DOI for the artefact",
          "Indexed in services (F4): 1: 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"
          },
          {
            "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"
          }
        ],
        "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"
          }
        ],
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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": 10,
        "max": 16,
        "steps": [
          {
            "label": "Recency",
            "pts": 10,
            "max": 10,
            "detail": "2026-08-08 → 2.6 months (≤ 3 months)"
          },
          {
            "label": "Release cadence (12 months)",
            "pts": 0,
            "max": 6,
            "detail": "0 releases"
          }
        ],
        "notes": [
          "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)"
        ]
      }
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    "adopterCount": 0,
    "reuseCount": 0,
    "importCount": 0,
    "registries": [
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      "from": "Last-Modified of the download",
      "value": "2026-08-08T21:49:39.000Z",
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      ]
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        "homepage": "ok",
        "download": "ok"
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      "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": "2026-10-25T21:49:00Z",
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      {
        "registry": "Bioregistry",
        "key": "bioregistry",
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        "url": "https://bioregistry.io/api/registry/nkos",
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      "name": "Bioregistry",
      "description": "Bioregistry",
      "homepage": "Bioregistry",
      "download": "Bioregistry",
      "formats": "Bioregistry",
      "tags": "Bioregistry"
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      "prov": "http://www.w3.org/ns/prov#",
      "schemascope": "https://schemascope.org/ns#"
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    "@type": "prov:Entity",
    "prov:specializationOf": {
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}