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SODA
1992
ACM
252views Algorithms» more  SODA 1992»
15 years 3 months ago
A General Approximation Technique for Constrained Forest Problems
We present a general approximation technique for a large class of graph problems. Our technique mostly applies to problems of covering, at minimum cost, the vertices of a graph wit...
Michel X. Goemans, David P. Williamson
STACS
2010
Springer
15 years 7 months ago
A Dichotomy Theorem for the General Minimum Cost Homomorphism Problem
Abstract. In the constraint satisfaction problem (CSP), the aim is to find an assignment of values to a set of variables subject to specified constraints. In the minimum cost hom...
Rustem Takhanov
COR
2007
163views more  COR 2007»
15 years 1 months ago
A general heuristic for vehicle routing problems
We present a unified heuristic, which is able to solve five different variants of the vehicle routing problem: the vehicle routing problem with time windows (VRPTW), the capacit...
David Pisinger, Stefan Ropke
EMMCVPR
2009
Springer
15 years 8 months ago
General Search Algorithms for Energy Minimization Problems
We describe a scheme for solving Energy Minimization problems, which is based on the A∗ algorithm accomplished with appropriately chosen LP-relaxations as heuristic functions. Th...
Dmitrij Schlesinger
ICCBR
2009
Springer
15 years 6 months ago
Determining Root Causes of Drilling Problems by Combining Cases and General Knowledge
Oil well drilling is a complex process which frequently leads to operational problems. In order to deal with some of these problems, knowledge intensive case based reasoning (KiCBR...
Samad Valipour Shokouhi, Agnar Aamodt, Pål S...