Ordinal Credibility Coefficient --- A New Approach in the Data Credibility Analysis

  • Authors:
  • Roman Podraza;Krzysztof Tomaszewski

  • Affiliations:
  • Institute of Computer Science, Warsaw University of Technology, Nowowiejska 15/19, 00-665 Warsaw, Poland;Javart Sp. z o.o., 8 Jana Christiana Szucha Av., 00-582 Warsaw, Poland

  • Venue:
  • RSFDGrC '07 Proceedings of the 11th International Conference on Rough Sets, Fuzzy Sets, Data Mining and Granular Computing
  • Year:
  • 2009

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Abstract

The Data Credibility Analysis is a computer science domain aimed at discovering universal algorithms for identifying improper or unusual data. It is done by calculating credibility coefficients for individual records. In recent years many different methods of computing these coefficients were presented. In the paper we propose a transformation of credibility coefficients to ordinal credibility coefficients. By developing this idea we propose another credibility coefficient computing algorithm, which benefits from incorporating arbit rary many other credibility coefficient computing methods. The preliminary tests showed that this approach leads to better results.