Fuzzy Cardinalities as a Basis to Cooperative Answering

  • Grégory Smits
  • Olivier Pivert
  • Allel Hadjali
Part of the Studies in Computational Intelligence book series (SCI, volume 497)


Cooperative approaches to relational database querying help users retrieve the tuples that are the most relevant with respect to their information needs. In this chapter we propose a unified framework that relies on a fuzzy cardinality-based summary of the database. We show how this summary can be efficiently used to explain failing queries or to revise queries returning a plethoric answer set.


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Copyright information

© Springer International Publishing Switzerland 2014

Authors and Affiliations

  1. 1.IRISA-IUTLannionFrance
  2. 2.IRISA-ENSSATLannionFrance

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