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CPAIOR
2010
Springer
9 years 10 months ago
A Constraint Integer Programming Approach for Resource-Constrained Project Scheduling
Abstract. We propose a hybrid approach for solving the resource-constrained project scheduling problem which is an extremely hard to solve combinatorial optimization problem of pra...
Timo Berthold, Stefan Heinz, Marco E. Lübbeck...
CPAIOR
2010
Springer
9 years 10 months ago
Constraint-Based Local Search for Constrained Optimum Paths Problems
Constrained Optimum Path (COP) problems arise in many real-life applications and are ubiquitous in communication networks. They have been traditionally approached by dedicated algo...
Pham Quang Dung, Yves Deville, Pascal Van Hentenry...
CPAIOR
2010
Springer
9 years 4 months ago
Boosting Set Constraint Propagation for Network Design
Abstract. This paper reconsiders the deployment of synchronous optical networks (SONET), an optimization problem naturally expressed in terms of set variables. Earlier approaches, ...
Justin Yip, Pascal Van Hentenryck, Carmen Gervet
CPAIOR
2010
Springer
9 years 4 months ago
Automatically Exploiting Subproblem Equivalence in Constraint Programming
Many search problems contain large amounts of redundancy in the search. In this paper we examine how to automatically exploit remaining subproblem equivalence, which arises when tw...
Geoffrey Chu, Maria Garcia de la Banda, Peter J. S...
CPAIOR
2010
Springer
9 years 10 months ago
Solving Connected Subgraph Problems in Wildlife Conservation
Abstract. We investigate mathematical formulations and solution techniques for a variant of the Connected Subgraph Problem. Given a connected graph with costs and proļ¬ts associat...
Bistra N. Dilkina, Carla P. Gomes
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