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CPAIOR
2006
Springer
15 years 9 months ago
Conflict-Directed A* Search for Soft Constraints
As many real-world problems involve user preferences, costs, or probabilities, constraint satisfaction has been extended to optimization by generalizing hard constraints to soft co...
Martin Sachenbacher, Brian C. Williams
SAT
2004
Springer
109views Hardware» more  SAT 2004»
16 years 24 days ago
Resolve and Expand
We present a novel expansion based decision procedure for quantified boolean formulas (QBF) in conjunctive normal form (CNF). The basic idea is to resolve existentially quantifie...
Armin Biere
161
Voted
TPHOL
1992
IEEE
15 years 11 months ago
The HOL Logic Extended with Quantification over Type Variables
The HOL system is an LCF-style mechanized proof-assistant for conducting proofs in higher order logic. This paper discusses a proposal to extend the primitive basis of the logic un...
Thomas F. Melham
GECCO
2004
Springer
116views Optimization» more  GECCO 2004»
16 years 25 days ago
Using Genetic Programming to Obtain a Closed-Form Approximation to a Recursive Function
Abstract. We demonstrate a fully automated method for obtaining a closedform approximation of a recursive function. This method resulted from a realworld problem in which we had a ...
Evan Kirshenbaum, Henri Jacques Suermondt
HICSS
2002
IEEE
135views Biometrics» more  HICSS 2002»
16 years 12 days ago
Integrated Production Planning and Route Scheduling in Pulp Mill Industry
In this paper we consider the complete supply chain for a large pulp producer in Sweden. The supply chain is divided up in two parts, the pulp production planning problem and the ...
David Bredström, Mikael Rönnqvist