Middleware for managing provenance metadata

  • Authors:
  • Tanu Malik;Ligia Nistor;Ashish Gehani

  • Affiliations:
  • University of Chicago;Carnegie Mellon University;SRI International

  • Venue:
  • Middleware '10 Posters and Demos Track
  • Year:
  • 2010

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Abstract

Current provenance collection systems typically gather metadata on remote hosts and submit it to a central server. We describe middleware for managing distributed provenance metadata, where each host maintains an authoritative local repository of the provenance metadata gathered on it. The approach provides several advantages --- the system can scale to handle the large amounts of metadata generated when auditing occurs at fine granularity; users retain control over their provenance records; and the middleware transparently queries remote provenance stores to reconstruct distributed lineage.