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time-agnostic-library

A Python library for performing time-travel queries on RDF datasets compliant with the OCDM provenance specification

Version materialization

Retrieve an entity’s state at a given point in time or across an interval.

Single-version structured query

Run a SPARQL SELECT query on a specific version of the dataset.

Cross-version structured query

Run a SPARQL SELECT query across all versions of the dataset.

Delta structured query

Inspect snapshot changes and their net delta over a time interval or the entire dataset history.

  • Blazegraph
  • GraphDB Free Edition
  • Apache Jena Fuseki
  • OpenLink Virtuoso
  • QLever