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Implementing Unified Why- and Why-Not Provenance Through Games

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Provenance and Annotation of Data and Processes (IPAW 2016)

Part of the book series: Lecture Notes in Computer Science ((LNISA,volume 9672))

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Abstract

Using provenance to explain why a query returns a result or why a result is missing has been studied extensively. However, the two types of questions have been approached independently of each other. We present an efficient technique for answering both types of questions for Datalog queries based on a game-theoretic model of provenance called provenance games. Our approach compiles provenance requests into Datalog and translates the resulting query into SQL to execute it on a relational database backend. We apply several novel optimizations to limit the computation to provenance relevant to a given user question.

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Notes

  1. 1.

    Intuitively, asking why a tuple t is absent from Q is equivalent to explaining why t is present in \(\lnot Q\). Thus, a provenance model with support for negation in queries enables why and why-not questions to be treated uniformly.

References

  1. Arab, B., Gawlick, D., Radhakrishnan, V., Guo, H., Glavic, B.: A generic provenance middleware for database queries, updates, and transactions. In: Tapp (2014)

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  2. Green, T., Karvounarakis, G., Tannen, V.: Provenance semirings. In: PODS. pp. 31–40 (2007)

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  3. Köhler, S., Ludäscher, B., Zinn, D.: First-order provenance games. In: Tannen, V., Wong, L., Libkin, L., Fan, W., Tan, W.-C., Fourman, M. (eds.) Buneman Festschrift 2013. LNCS, vol. 8000, pp. 382–399. Springer, Heidelberg (2013)

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Authors and Affiliations

  1. Illinois Institute of Technology, Chicago, USA

    Seokki Lee & Boris Glavic

  2. University of California, Davis, Davis, USA

    Sven Köhler

  3. University of Illinois at Urbana-Champaign, Champaign, USA

    Bertram Ludäscher

Authors
  1. Seokki Lee
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  2. Sven Köhler
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  3. Bertram Ludäscher
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  4. Boris Glavic
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Corresponding author

Correspondence to Seokki Lee .

Editor information

Editors and Affiliations

  1. COPPE/UFRJ, Rio de Janeiro, Brazil

    Marta Mattoso

  2. Illinois Institute of Technology, Chicago, Illinois, USA

    Boris Glavic

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© 2016 Springer International Publishing Switzerland

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Lee, S., Köhler, S., Ludäscher, B., Glavic, B. (2016). Implementing Unified Why- and Why-Not Provenance Through Games. In: Mattoso, M., Glavic, B. (eds) Provenance and Annotation of Data and Processes. IPAW 2016. Lecture Notes in Computer Science(), vol 9672. Springer, Cham. https://doi.org/10.1007/978-3-319-40593-3_23

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  • DOI: https://doi.org/10.1007/978-3-319-40593-3_23

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-40592-6

  • Online ISBN: 978-3-319-40593-3

  • eBook Packages: Computer ScienceComputer Science (R0)

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