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Wikidata: the data contract.

What the source can contribute, how its records join to the workspace and what is implemented today.

Implementation status

Reference source; ingestion planned

Access and freshness

Public query service; respect limits and reuse terms.

Not syncing in this implementation.

Fields and useful views

item Q identifier
Stable entity reference
property P identifier
Predicate
value literal | entity
Attribute or relation
reference URL | identifier
Claim provenance
qualifier statement[]
Context and validity
  • Semantic triples
  • Identity candidates
  • Conflicting statement review

Relations and data quality

Q identifier + property identifier + statement identifier.

Retain references, qualifiers and statement rank. A matching label is not an entity resolution decision.

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Related documentation and reading

Filter resources · 1 active

5 of 5 resources shown

Hogan et al. · ACM Computing SurveysJournals

Knowledge Graphs

A survey reference for graph models, knowledge construction and applications.

Peer-reviewed research
Reference · unreviewed claims
Reading notes