ChaseT: a tool for checking chase termination

  • Authors:
  • Andrea De Francesco;Sergio Greco;Francesca Spezzano;Irina Trubitsyna

  • Affiliations:
  • DEIS, Università della Calabria, Rende, Italy;DEIS, Università della Calabria, Rende, Italy;DEIS, Università della Calabria, Rende, Italy;DEIS, Università della Calabria, Rende, Italy

  • Venue:
  • SUM'11 Proceedings of the 5th international conference on Scalable uncertainty management
  • Year:
  • 2011

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Abstract

Consistency problems arise in many fundamental database applications as data exchange, data integration, data warehouse and many others. The chase algorithm is a fundamental and useful tool fixing inconsistencies of database instances with respect to a set of data dependencies. It is well known that the chase algorithm may be nonterminating and several techniques and criteria for checking chase termination have been recently proposed. This paper presents ChaseT, a tool that allows users to design data dependencies and combine different criteria and rewriting algorithms for checking chase termination.