prov-o
3 Articles
Query Provenance: Which Source Rows Justify a Derived Value?
A 2026 worked test of query provenance: witness sets for a join, projection and SUM, where, why and how provenance, PROV-O mapping, and an acceptance protocol for derived values.
October 27, 2026• 30 min read
query provenancedata provenancewhy provenance
W3C PROV for LLM Context Provenance: A Testable Profile
A 2026 application profile for reconstructable LLM evidence, with mandatory PROV mappings, source-state fields, mutation tests, and a two-serializer conformance matrix.
September 22, 2026• 22 min read
w3c prov for llm context provenancellm context provenanceprov-o
Minimum Data Provenance Requirements for Defensible Values
A 2026 standards analysis of 15 minimum provenance fields, five audit questions, PROV-O mappings, temporal rules, declared unknowns, validation tests, and export packaging.
September 22, 2026• 26 min read
data provenance requirementsminimum data provenance metadatadata provenance standards