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CAEPIA
2003
Springer
14 years 19 days ago
2003
Springer
We present a tool for solving and plotting train schedules which has been developed in collaboration with the National Network of Spanish Railways (RENFE). This tool transforms rai...
INFORMATICALT
2002
13 years 7 months ago
2002
Abstract. Real life scheduling problems are solved by heuristics with parameters defined by experts, as usual. In this paper a new approach is proposed where the parameters of vari...
HEURISTICS
1998
13 years 7 months ago
1998
In this paper we present a genetic algorithm-based heuristic for solving the set partitioning problem (SPP). The SPP is an important combinatorial optimisation problem used by man...
CORR
2011
Springer
13 years 2 months ago
2011
Springer
We consider the problem of computing numerical invariants of programs by abstract interpretation. Our method eschews two traditional sources of imprecision: (i) the use of widenin...
CSCLP
2004
Springer
14 years 24 days ago
2004
Springer
We propose an improved restart strategy for randomized backtrack search, and evaluate its performance by comparing to other heuristic and stochastic search techniques for solving r...