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Provenance Storage, Querying, and Visualization in PBase...

Publication Type
Conference Paper
Journal Name
Lecture Notes in Computer Science
Publication Date
Page Numbers
239 to 241
Volume
8628
Conference Name
5th International Provenance and Annotation Workshop
Conference Location
Cologne, Germany
Conference Date

We present PBase, a repository for scientific workflows and their corresponding provenance information that facilitates the sharing of experiments among the scientific community. PBase is interoperable since it uses ProvONE, a standard provenance model for scientific workflows. Workflows and traces are stored in RDF, and with the support of SPARQL and the tree cover encoding, the repository provides a scalable infrastructure for querying the provenance data. Furthermore, through its user interface, it is possible to: visualize workflows and execution traces; visualize reachability relations within these traces; issue SPARQL queries; and visualize query results.