Answer Set Programming for Continuous Domains: A Fuzzy Logic Approach

Jeroen Janssen|Steven Schockaert|Dirk Vermeir|Martine De Cock

ISBN 10: 946239041X / ISBN 13: 9789462390416

Published by Atlantis Press, 2014

About this Item

Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Contains an extensive survey on the current state-of-the-art w.r.t. the combination of answer set programming with continuous logics Shows how answer set programming can be used for solving continuous domains with real-world examples Contains a chapter deta.

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Bibliographic Details

• Title: Answer Set Programming for Continuous Domains: A Fuzzy Logic Approach
• Publisher: Atlantis Press
• Publication Date: 2014
• Language: English
• ISBN 10: 946239041X
• ISBN 13: 9789462390416
• Binding: Soft cover
• Condition: New

About this title

Synopsis

Answer set programming (ASP) is a declarative language tailored towards solving combinatorial optimization problems. It has been successfully applied to e.g. planning problems, configuration and verification of software, diagnosis and database repairs. However, ASP is not directly suitable for modeling problems with continuous domains. Such problems occur naturally in diverse fields such as the design of gas and electricity networks, computer vision and investment portfolios. To overcome this problem we study FASP, a combination of ASP with fuzzy logic -- a class of manyvalued logics that can handle continuity. We specifically focus on the following issues: 1. An important question when modeling continuous optimization problems is how we should handle overconstrained problems, i.e. problems that have no solutions. In many cases we can opt to accept an imperfect solution, i.e. a solution that does not satisfy all the stated rules (constraints). However, this leads to the question: what imperfect solutions should we choose? We investigate this question and improve upon the state-of-the-art by proposing an approach based on aggregation functions. 2. Users of a programming language often want a rich language that is easy to model in. However, implementers and theoreticians prefer a small language that is easy to implement and reason about. We create a bridge between these two desires by proposing a small core language for FASP and by showing that this language is capable of expressing many of its common extensions such as constraints, monotonically decreasing functions, aggregators, S-implicators and classical negation. 3. A well-known technique for solving ASP consists of translating a program P to a propositional theory whose models exactly correspond to the answer sets of P. We show how this technique can be generalized to FASP, paving the way to implement efficient fuzzy answer set solvers that can take advantage of existing fuzzy reasoners.

From the Back Cover

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