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A library for W3C Provenance Data Model supporting PROV-O (RDF), PROV-XML, PROV-JSON import/export


  • An implementation of the W3C PROV Data Model in Python.
  • In-memory classes for PROV assertions, which can then be output as PROV-N
  • Serialization and deserialization support: PROV-O (RDF), PROV-XML and PROV-JSON.
  • Exporting PROV documents into various graphical formats (e.g. PDF, PNG, SVG).
  • Convert a PROV document to a Networkx MultiDiGraph and back.


See a short tutorial for using this package.

This package is used extensively by ProvStore, a free online repository for provenance documents.