{
  "id": "ssnx",
  "name": "Semantic Sensor Network Ontology",
  "category": "multidisciplinary",
  "kind": "ontology",
  "description": "This ontology describes sensors and observations, and related concepts. It does not describe domain concepts, time, locations, etc. these are intended to be included from other ontologies via OWL imports.",
  "formats": [
    "OWL"
  ],
  "license": "Copyright 2009 - 2011 W3C.",
  "homepage": "http://purl.oclc.org/NET/ssnx/ssn",
  "download": "http://purl.oclc.org/NET/ssnx/ssn",
  "registryStats": {
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      "terms": 107,
      "triples": 767,
      "titleFrom": "artefact"
    }
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  "publications": [],
  "usedBy": [],
  "tags": [],
  "url": "https://schemascope.org/o/ssnx/",
  "evaluation": {
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        "state": "ok",
        "resolvedUrl": "https://www.w3.org/2005/Incubator/ssn/ssnx/ssn",
        "lastModified": "2011-06-28T10:19:11.000Z",
        "checkedAt": "2026-10-26T03:23:22.494Z"
      },
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    "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
    },
    "bioregistry": null,
    "artifact": {
      "source": "https://www.w3.org/2005/Incubator/ssn/ssnx/ssn",
      "isRdf": true,
      "etag": "\"134c7-4a6c2ffb8a5c0;4a6c301bf7240\"",
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    "earned": 19,
    "possible": 100,
    "qualityApplies": true,
    "penalty": {
      "score": -20,
      "reason": "15.3 years → 4 × max(0, 15.3 − 1) (capped)",
      "steps": [
        {
          "label": "Time since last activity",
          "pts": -20,
          "detail": "15.3 years → 4 × max(0, 15.3 − 1) (capped)"
        },
        {
          "label": "Inactive status",
          "pts": 0,
          "detail": "not archived, legacy or inactive"
        },
        {
          "label": "Consistency",
          "pts": 0,
          "detail": "not yet checked by a reasoner"
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    "grade": "E",
    "fair": 19,
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        "max": 12,
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            "pts": 0,
            "max": 4,
            "detail": "no PURL / w3id / DOI for the artefact"
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            "label": "Indexed in services (F4)",
            "pts": 0,
            "max": 5,
            "detail": "not indexed anywhere"
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            "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): not indexed anywhere",
          "Citable reference (F2): no reference publication listed"
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        "max": 12,
        "steps": [
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            "label": "Homepage reachable",
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            "max": 3,
            "detail": "HTTP 200"
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            "label": "Artefact retrievable over HTTP(S) (A1)",
            "pts": 6,
            "max": 6,
            "detail": "download HTTP 200"
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          {
            "label": "Metadata persists in a registry (A2)",
            "pts": 0,
            "max": 3,
            "detail": "not in Bioregistry or OBO Foundry"
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        "notes": [
          "Metadata persists in a registry (A2): not in Bioregistry or OBO Foundry"
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            "label": "Semantic-web IRIs (I2)",
            "pts": 3,
            "max": 3,
            "detail": "OWL"
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          {
            "label": "References other vocabularies (I3)",
            "pts": 0,
            "max": 4,
            "detail": "no imported vocabularies found"
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        "max": 12,
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            "detail": "no version in artefact, registry or release tags"
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            "detail": "no independent compliance report (not on the OBO Dashboard)"
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          "Clear license (R1.1): Copyright 2009 - 2011 W3C. (not a recognised open license)",
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            "max": 2,
            "detail": "profile not checked"
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          {
            "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"
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          {
            "label": "ROBOT report: no errors",
            "pts": 0,
            "max": 2,
            "detail": "no ROBOT report available"
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            "label": "ROBOT report: warning density",
            "pts": 0,
            "max": 1,
            "detail": "no ROBOT report available"
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          {
            "label": "Pitfall scan: no critical pitfalls",
            "pts": 0,
            "max": 1,
            "detail": "no pitfall scan or ROBOT report yet"
          }
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          "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"
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            "pts": 0,
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            "label": "Release cadence (12 months)",
            "pts": 0,
            "max": 6,
            "detail": "0 releases"
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          "Recency: 2011-06-28 → 183.9 months (older / unknown)",
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        ]
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        "steps": [
          {
            "label": "Documented adopting projects",
            "pts": 0,
            "max": 7,
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            "pts": 0,
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            "detail": "0"
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            "detail": "max(stars 0 → 0, citations 0 → 0)"
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    "runId": "2026-10-26T02-37-38Z",
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        "download": "ok"
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    "retrievedAt": "2026-10-25T22:34:26Z",
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      "homepage": "Discovered by dereferencing",
      "license": "Discovered by dereferencing",
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}