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International Conference on Flexible Query Answering Systems

FQAS 2002: Flexible Query Answering Systems pp 344–355Cite as

Conjunctive Aggregation of Extended Possibilistic Truth Values and Flexible Database Querying

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Part of the book series: Lecture Notes in Computer Science ((LNAI,volume 2522))

Abstract

Extended possibilistic truth values are a flexible means to model the linguistic (un)certainty about the truth value of a proposition. With respect to flexible database querying, they are suited to express the extent to which a database instance satisfies a query condition. Since a query can impose several conditions, aggregation is necessary. In this paper, three definitions of conjunctive aggregation operators for extended possibilistic truth values are presented and compared with each other on the basis of their capability to rank the possible alternatives in the result of a (flexible) database query.

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Author information

Authors and Affiliations

  1. Computer Science Laboratory, Department of Telecommunications and Information Processing, Ghent University, Sint-Pietersnieuwstraat 41, B-9000, Gent, Belgium

    Guy de Tré, Rita de Caluwe, Jörg Verstraete & Axel Hallez

Authors
  1. Guy de Tré
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  2. Rita de Caluwe
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  3. Jörg Verstraete
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  4. Axel Hallez
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Editor information

Editors and Affiliations

  1. Carnegie Mellon University, Pittsburgh, PA, USA

    Jaime G. Carbonell

  2. University of Saarland, Saabrücken, Germany

    Jörg Siekmann

  3. Roskilde University, Building 42-1, P.O. Box 260, 4000, Roskilde, Denmark

    Troels Andreasen  & Henning Christiansen  & 

  4. Department of Information and Software Engineering School of Information Technology and Engineering, George Mason University, Fairfax, 22030-4444, Virginia, USA

    Amihai Motro

  5. Dept. of Computer Science and Engineering, Aalborg University Esbjerg, Niels Bohrs Vej 8, 6700, Esbjerg, Denmark

    Henrik Legind Larsen

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© 2002 Springer-Verlag Berlin Heidelberg

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de Tré, G., de Caluwe, R., Verstraete, J., Hallez, A. (2002). Conjunctive Aggregation of Extended Possibilistic Truth Values and Flexible Database Querying. In: Carbonell, J.G., Siekmann, J., Andreasen, T., Christiansen, H., Motro, A., Legind Larsen, H. (eds) Flexible Query Answering Systems. FQAS 2002. Lecture Notes in Computer Science(), vol 2522. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-36109-X_27

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  • DOI: https://doi.org/10.1007/3-540-36109-X_27

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-00074-7

  • Online ISBN: 978-3-540-36109-1

  • eBook Packages: Springer Book Archive

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