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Weighted constraint satisfaction problem information


In artificial intelligence and operations research, a Weighted Constraint Satisfaction Problem (WCSP) is a generalization of a constraint satisfaction problem (CSP) where some of the constraints can be violated (according to a violation degree) and in which preferences among solutions can be expressed. This generalization makes it possible to represent more real-world problems, in particular those that are over-constrained (no solution can be found without violating at least one constraint), or those where we want to find a minimal-cost solution (according to a cost function) among multiple possible solutions.

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Constraint satisfaction problem

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Constraint satisfaction problems (CSPs) are mathematical questions defined as a set of objects whose state must satisfy a number of constraints or limitations...

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Weighted constraint satisfaction problem

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research, a Weighted Constraint Satisfaction Problem (WCSP) is a generalization of a constraint satisfaction problem (CSP) where some of the constraints can be...

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Constraint satisfaction dual problem

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dual problem is a reformulation of a constraint satisfaction problem expressing each constraint of the original problem as a variable. Dual problems only...

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Constraint composite graph

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weighted constraint satisfaction problems. A weighted constraint satisfaction problem (WCSP) is a generalization of a constraint satisfaction problem...

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Maximum satisfiability problem

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minimum satisfiability problem. The MAX-SAT problem can be extended to the case where the variables of the constraint satisfaction problem belong to the set...

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Combinatorial optimization

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problems that are polynomially-bounded. Assignment problem Bin packing problem Closure problem Constraint satisfaction problem Cutting stock problem Dominating...

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Mendelian error

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genotyping "Mendelian error detection in complex pedigree using weighted constraint satisfaction techniques" (PDF). 209.85.165.104. Retrieved 2015-08-13. "Statistical...

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Guided local search

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extended GENET, a neural network architecture for solving Constraint Satisfaction Problems, which was developed by Chang Wang, Edward Tsang and Andrew...

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Holographic algorithm

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Holant problems, which generalize counting constraint satisfaction problems (#CSP). A #CSP instance is a hypergraph G=(V,E) called the constraint graph...

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Optimality theory

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satisfaction of conflicting constraints. OT differs from other approaches to phonological analysis, which typically use rules rather than constraints...

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Algorithm

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constraints, the constraints of the problem can be used directly in producing the optimal solutions. There are algorithms that can solve any problem in...

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Utility

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would accept to maintain a given level of satisfaction. Combining indifference curves with budget constraints allows for derivation of individual demand...

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Nondeterministic constraint logic

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science, nondeterministic constraint logic is a combinatorial system in which an orientation is given to the edges of a weighted undirected graph, subject...

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Leximin order

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"Computing improved optimal solutions to max–min flexible constraint satisfaction problems". European Journal of Operational Research. 118 (1): 95–126...

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Boolean satisfiability algorithm heuristics

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algorithm. Numerous weighted SAT problems exist as the optimization versions of the general SAT problem. In this class of problems, each clause in a CNF...

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Paul Thagard

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particular formalization of the concept of coherence as a constraint satisfaction problem. The model posits that coherence operates over a set of representational...

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Ant colony optimization algorithms

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applications to the scheduling, scheduling sequence and the satisfaction of constraints; 2000, Gutjahr provides the first evidence of convergence for...

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Justified representation

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satisfaction of a voter as the number of winners approved by that voter. Strong-JR requires that, in every L-cohesive group, the minimum satisfaction...

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List of algorithms

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which solves the assignment problem in polynomial time Constraint satisfaction General algorithms for the constraint satisfaction AC-3 algorithm Difference...

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