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A New Class of Lineage Expressions over Probabilistic Databases Computable in P-Time

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Scalable Uncertainty Management (SUM 2013)

Part of the book series: Lecture Notes in Computer Science ((LNAI,volume 8078))

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Abstract

We study the problem of query evaluation over tuple-independent probabilistic databases. We define a new characterization of lineage expressions called disjoint branch acyclic, and show this class to be computed in P-time. Specifically, this work extends the class of lineage expressions for which evaluation can be performed in PTIME. We achieve this extension with a novel usage of junction trees to compute the probability of these lineage expressions.

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Kenig, B., Gal, A., Strichman, O. (2013). A New Class of Lineage Expressions over Probabilistic Databases Computable in P-Time. In: Liu, W., Subrahmanian, V.S., Wijsen, J. (eds) Scalable Uncertainty Management. SUM 2013. Lecture Notes in Computer Science(), vol 8078. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-40381-1_17

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  • DOI: https://doi.org/10.1007/978-3-642-40381-1_17

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-40380-4

  • Online ISBN: 978-3-642-40381-1

  • eBook Packages: Computer ScienceComputer Science (R0)

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