A Query Language for Workflow Instance Data

  • Philipp Baumgärtel
  • Johannes Tenschert
  • Richard Lenz
Conference paper
Part of the Advances in Intelligent Systems and Computing book series (AISC, volume 241)

Abstract

In our simulation project ProHTA (Prospective Health Technology Assessment), we want to estimate the outcome of new medical innovations. To this end, we employ agent-based simulations that require workflow definitions with associated data about workflow instances. For example, to optimize the clinical pathways of patients with stroke we need the time and associated costs of each step in the clinical pathway. We adapt an existing conceptual model to store workflow definitions and instance data in RDF. This paper presents a query language to aggregate and query workflow instance data. That way, we support domain experts in analyzing simulation input and output. We present a heuristic algorithm for efficient query processing. Finally, we evaluate the performance of our query processing algorithm and compare it to SPARQL.

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Copyright information

© Springer International Publishing Switzerland 2014

Authors and Affiliations

  • Philipp Baumgärtel
    • 1
  • Johannes Tenschert
    • 1
  • Richard Lenz
    • 1
  1. 1.Institute of Computer Science 6University of Erlangen-NurembergErlangenGermany

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