{
  "schema": "kallipolis.resource-quality.v1",
  "id": "resource.public-data.wikidata-sparql-query-service",
  "version": "1.0.0",
  "title": "Wikidata SPARQL Query Service boundary",
  "summary": "Official-source access, authentication, request-shaping, paging, freshness, legal, and interpretation boundaries for Wikidata SPARQL Query Service.",
  "content": {
    "kind": "public-data-api-boundary",
    "facts": [
      {
        "id": "fact.wikidata.sparql.access",
        "statement": "The Wikidata Query Service executes SPARQL queries over Wikidata's structured knowledge graph and returns standard query representations.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.wikidata.sparql"
        ]
      },
      {
        "id": "fact.wikidata.sparql.authentication",
        "statement": "Public queries are subject to execution time, load, and service limits, so broad joins can time out and must be decomposed or optimized.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.wikidata.sparql"
        ]
      },
      {
        "id": "fact.wikidata.sparql.request",
        "statement": "Clients should identify themselves where required, cache responsibly, and use dumps or alternate access methods for unsuitable bulk workloads.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.wikidata.sparql"
        ]
      },
      {
        "id": "fact.wikidata.sparql.boundary",
        "statement": "Wikidata statements can be incomplete, disputed, stale, or community-edited; query success is not proof of factual truth or source independence.",
        "normativeLevel": "informative",
        "sourceIds": [
          "source.wikidata.sparql"
        ]
      }
    ]
  },
  "language": "en",
  "category": "public-data-api",
  "state": "prepared",
  "canonicalUrl": "https://platoskallipolis.com/resources/public-data-apis/wikidata-sparql-query-service.json",
  "contentHash": "sha256:c8f26a2ad2cbcf5fd6d68f1729d846e637115f862432c16217aabf02fe27ee86",
  "owner": {
    "id": "platos-kallipolis",
    "name": "Plato's Kallipolis",
    "type": "organization",
    "accountabilityUrl": "https://platoskallipolis.com/about"
  },
  "access": {
    "mode": "public",
    "url": "https://platoskallipolis.com/resources/public-data-apis/wikidata-sparql-query-service.json",
    "authentication": "none",
    "robotsAllowed": true
  },
  "provenance": {
    "method": "primary-source",
    "sources": [
      {
        "id": "source.wikidata.sparql",
        "url": "https://www.wikidata.org/wiki/Wikidata:SPARQL_query_service",
        "title": "Wikidata SPARQL Query Service",
        "publisher": "Wikimedia Foundation and Wikidata community",
        "observedAt": "2026-08-27T08:40:00Z"
      }
    ]
  },
  "observedAt": "2026-08-27T08:40:00Z",
  "freshness": {
    "policy": "max-age",
    "state": "current",
    "nextReviewAt": "2026-09-03T08:40:00Z",
    "maxAgeSeconds": 604800
  },
  "license": {
    "id": "source-terms-apply",
    "url": "https://foundation.wikimedia.org/wiki/Policy:Terms_of_Use",
    "redistributionAllowed": false
  },
  "evidence": [
    {
      "id": "evidence.wikidata.sparql",
      "type": "source-claim",
      "url": "https://www.wikidata.org/wiki/Wikidata:SPARQL_query_service",
      "observedAt": "2026-08-27T08:40:00Z"
    }
  ]
}