Querying and re-using workflows with VsTrails

Authors:
Carlos E. Scheidegger;Huy T. Vo;David Koop;Juliana Freire;Claudio T. Silva
Affiliations:
University of Utah, Salt Lake City, UT, USA;University of Utah, Salt Lake City, UT, USA;University of Utah, Salt Lake City, UT, USA;University of Utah, Salt Lake City, UT, USA;University of Utah, Salt Lake City, UT, USA
Venue:
Proceedings of the 2008 ACM SIGMOD international conference on Management of data
Year:
2008

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Abstract

We show how work flow systems can be augmented to leverage provenance information to enhance usability. In particular, we will demonstrate new mechanisms and intuitive user interfaces designed to allow users to query work flows by example and to refine work flows by analogies. These techniques are implemented in VisTrails, an open-source provenance-enabled scientific work flow system that can be combined with a wide range of tools, libraries, and visualization systems. We will show di erent scenarios where these techniques can be used to simplify the notoriously hard tasks of creating and refining work flows.