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139
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CPAIOR
2007
Springer
15 years 10 months ago
2007
Springer
In this paper we present a destructive lower bound for a number of resource constrained project scheduling (RCPS) problems, which is based on column generation. We first look at t...
142
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SARA
2007
Springer
15 years 10 months ago
2007
Springer
Abstract. We describe a way to improve the performance of MDP planners by modifying them to use lower and upper bounds to eliminate non-optimal actions during their search. First, ...
124
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CPAIOR
2005
Springer
15 years 10 months ago
2005
Springer
Abstract. An optimization problem arising in the design of optical fibre networks is discussed. A network contains client nodes, each installed on one or more SONET rings. A const...
124
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CPAIOR
2005
Springer
15 years 10 months ago
2005
Springer
Integration of explanations into a CSP solver is a technique addressing difficult question “why my problem has no solution”. Moreover, explanations together with advanced searc...
105
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CPAIOR
2004
Springer
15 years 9 months ago
2004
Springer
We discuss a di cult optimization problem on a chess-board, requiring equal numbers of black and white queens to be placed on the board so that the white queens cannot attack the b...