DART: a data acquisition and repairing tool

  • Authors:
  • Bettina Fazzinga;Sergio Flesca;Filippo Furfaro;Francesco Parisi

  • Affiliations:
  • DEIS, Università della Calabria, Rende (CS), Italy;DEIS, Università della Calabria, Rende (CS), Italy;DEIS, Università della Calabria, Rende (CS), Italy;DEIS, Università della Calabria, Rende (CS), Italy

  • Venue:
  • EDBT'06 Proceedings of the 2006 international conference on Current Trends in Database Technology
  • Year:
  • 2006

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Abstract

An architecture is proposed providing robust data acquisition facilities from input documents containing tabular data. This architecture is based on a data-repairing framework exploiting integrity constraints defined on the input data to support the detection and the repair of inconsistencies in the data arising from errors occurring in the acquisition phase. In particular, a specific but expressive form of integrity constraints (steady aggregate constraints) is defined which enables the computation of a repair to be expressed as a mixed integer linear programming problem.