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Global Inverse Consistency for Interactive Constraint Satisfaction

Bessière, Christian and Fargier, Hélène and Lecoutre, Christophe Global Inverse Consistency for Interactive Constraint Satisfaction. (2013) In: International Conference on Principles and Practice of Constraint Programming - CP 2013, 16 September 2013 - 20 September 2013 (Uppsala, Sweden).

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Official URL: http://dx.doi.org/10.1007/978-3-642-40627-0_15

Abstract

Some applications require the interactive resolution of a constraint problem by a human user. In such cases, it is highly desirable that the person who interactively solves the problem is not given the choice to select values that do not lead to solutions. We call this property global inverse consistency. Existing systems simulate this either by maintaining arc consistency after each assignment performed by the user or by compiling offline the problem as a multi-valued decision diagram. In this paper, we define several questions related to global inverse consistency and analyse their complexity. Despite their theoretical intractability, we propose several algorithms for enforcing global inverse consistency and we show that the best version is efficient enough to be used in an interactive setting on several configuration and design problems. We finally extend our contribution to the inverse consistency of tuples.

Item Type:Conference or Workshop Item (Paper)
HAL Id:hal-01147298
Audience (conference):International conference proceedings
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - INPT (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UPS (FRANCE)
Université de Toulouse > Université Toulouse - Jean Jaurès - UT2J (FRANCE)
Université de Toulouse > Université Toulouse 1 Capitole - UT1 (FRANCE)
Other partners > Université de Montpellier 2 (FRANCE)
Other partners > Université d'Artois (FRANCE)
Laboratory name:
Funders:
ANR-11-BS02-008
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Deposited By: IRIT IRIT
Deposited On:09 Apr 2015 08:11

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