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CP
2007
Springer
15 years 3 months ago
Propagation = Lazy Clause Generation
Finite domain propagation solvers effectively represent the possible values of variables by a set of choices which can be naturally modelled as Boolean variables. In this paper we...
Olga Ohrimenko, Peter J. Stuckey, Michael Codish
CP
2007
Springer
15 years 3 months ago
Uncertainty in Bipolar Preference Problems
Preferences and uncertainty are common in many real-life problems. In this paper, we focus on bipolar preferences and on uncertainty modelled via uncontrollable variables. However,...
Stefano Bistarelli, Maria Silvia Pini, Francesca R...
CP
2007
Springer
15 years 1 months ago
The Expressive Power of Valued Constraints: Hierarchies and Collapses
Abstract. In this paper we investigate the ways in which a fixed collection of valued constraints can be combined to express other valued constraints. We show that in some cases a ...
David A. Cohen, Peter Jeavons, Stanislav Zivn&yacu...
ANOR
2002
128views more  ANOR 2002»
14 years 9 months ago
Crew Assignment via Constraint Programming: Integrating Column Generation and Heuristic Tree Search
The Airline Crew Assignment Problem (ACA) consists of assigning lines of work to a set of crew members such that a set of activities is partitioned and the costs for that assignmen...
Meinolf Sellmann, Kyriakos Zervoudakis, Panagiotis...
IJCAI
2003
14 years 11 months ago
Automated Generation of Understandable Contingency Plans
Markov decision processes (MDPs) and contingency planning (CP) are two widely used approaches to planning under uncertainty. MDPs are attractive because the model is extremely gen...
Max Horstmann, Shlomo Zilberstein