ProApproX: a lightweight approximation query processor over probabilistic trees

  • Authors:
  • Pierre Senellart;Asma Souihli

  • Affiliations:
  • Institut Té/lé/com/ Té/lé/com ParisTech, Paris, France;Institut Té/lé/com/ Té/lé/com ParisTech, Paris, France

  • Venue:
  • Proceedings of the 2011 ACM SIGMOD International Conference on Management of data
  • Year:
  • 2011

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Abstract

We demonstrate a system for querying probabilistic XML documents with simple XPath queries. A user chooses between a variety of query answering techniques, both exact and approximate, and observes the running behavior, pros, and cons, of each method, in terms of efficiency, precision of the result, and data model and query language supported.