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Generating Preview Instances for the Face Validation of Entity-Relationship Schemata: The Acyclic Case

  • Maria Amalfi
  • Alessandro Artale
  • Andrea Calì
  • Alessandro Provetti
Part of the Lecture Notes in Computer Science book series (LNCS, volume 6588)

Abstract

We describe a mapping of Extended Entity-Relationship schemata to Answer Set Programming that allows us to generate informative example instances of the relational database that is implied by the conceptual schema. Such instances may be submitted to people involved in the requirements phase as a glimpse of what instances are allowed by the E-R schema at hand, thus enhancing database comprehension and so-called face validation.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  • Maria Amalfi
    • 1
  • Alessandro Artale
    • 1
  • Andrea Calì
    • 2
    • 3
  • Alessandro Provetti
    • 2
    • 4
  1. 1.Computer ScienceFree Univ. of Bozen-BolzanoBozen-BolzanoItaly
  2. 2.Oxford-Man Institute for Quantitative FinanceOxfordUK
  3. 3.Dept. of Comp. Science & Inf. Sys. BirkbeckUniv. of LondonLondonUK
  4. 4.Dept. of Physics, Informatics SectionUniversity of MessinaMessinaItaly

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