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AAAI
2006
14 years 11 months ago
Temporal Preference Optimization as Weighted Constraint Satisfaction
We present a new efficient algorithm for obtaining utilitarian optimal solutions to Disjunctive Temporal Problems with Preferences (DTPPs). The previous state-of-the-art system ac...
Michael D. Moffitt, Martha E. Pollack
IBERAMIA
2004
Springer
15 years 3 months ago
Constrainedness and Redundancy by Constraint Ordering
Abstract. In constraint satisfaction, a general rule is to tackle the hardest part of a search problem first. In this paper, we introduce a parameter (τ) that measures the constr...
Miguel A. Salido, Federico Barber
EVOW
2006
Springer
15 years 1 months ago
A Memetic Algorithm with Bucket Elimination for the Still Life Problem
Abstract. Bucket elimination (BE) is an exact technique based on variable elimination, commonly used for solving constraint satisfaction problems. We consider the hybridization of ...
José E. Gallardo, Carlos Cotta, Antonio J. ...
FLAIRS
2007
15 years 2 days ago
Maintaining Arc-Consistency over Mutex Relations in Planning Graphs during Search
We deal with the search process of the GraphPlan algorithm in this paper. We concentrate on a problem of finding supports for a sub-goal which arises during the search. We model t...
Pavel Surynek, Roman Barták
CP
2004
Springer
15 years 3 months ago
Backtrack-Free Search for Real-Time Constraint Satisfaction
A constraint satisfaction problem (CSP) model can be preprocessed to ensure that any choices made will lead to solutions, without the need to backtrack. This can be especially usef...
J. Christopher Beck, Tom Carchrae, Eugene C. Freud...