A symbolic approach to vagueness management

Authors:
Mazen El-Sayed;Daniel Pacholczyk
Affiliations:
University of Angers, Angers Cedex 01, France;University of Angers, Angers Cedex 01, France
Venue:
ICCS'03 Proceedings of the 2003 international conference on Computational science: PartIII
Year:
2003

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Abstract

We study knowledge-based systems using symbolic manyvalued logic and multiset theory. In previous papers we have proposed a symbolic representation of nuanced statements like "John is very tall". In this representation, we have interpreted some nuances of natural language as linguistic modifiers and we have defined them within a multiset context. In this paper, we continue the presentation of our symbolic model and we propose new deduction rules dealing with nuanced statements. We limit ourselves to present new generalizations of the Modus Ponens rule.