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149
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CP
2004
Springer
15 years 10 months ago
2004
Springer
Abstract. The paper presents a new look-ahead scheme for backtracking search for solving constraint satisfaction problems. This look-ahead scheme computes a heuristic for value ord...
142
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CP
2004
Springer
15 years 10 months ago
2004
Springer
We study the quality of LP-based approximation methods for pure combinatorial problems. We found that the quality of the LPrelaxation is a direct function of the underlying constra...
126
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CP
2004
Springer
15 years 10 months ago
2004
Springer
This paper presents a model and implementation techniques for speeding up constraint propagation. Two fundamental approaches to improving constraint propagation are explored: keepi...
143
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DEXA
2004
Springer
15 years 10 months ago
2004
Springer
Although many spatio-temporal conceptual models has been proposed in the last years, users must express their queries on the underlying physical data structures. In the context of ...
138
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EAGC
2004
Springer
15 years 10 months ago
2004
Springer
In this paper we propose a computational grid platform called JaWS++ that seeks to harvest the power of idle pools of workstations connected through the Internet and integrate them...