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ESA
2007
Springer
97views Algorithms» more  ESA 2007»
16 years 28 days ago
To Fill or Not to Fill: The Gas Station Problem
In this paper we study several routing problems that generalize shortest paths and the Traveling Salesman Problem. We consider a more general model that incorporates the actual co...
Samir Khuller, Azarakhsh Malekian, Julián M...
SAT
2007
Springer
146views Hardware» more  SAT 2007»
16 years 27 days ago
Algorithms for Variable-Weighted 2-SAT and Dual Problems
Abstract. In this paper we study NP-hard weighted satisfiability optimization problems for the class 2-CNF providing worst-case upper time bounds. Moreover we consider the monoton...
Stefan Porschen, Ewald Speckenmeyer
CAEPIA
2003
Springer
16 years 9 hour ago
A New Genetic Approach for the Partitioning Problem in Distributed Virtual Environment Systems
The Partitioning problem is a key issue in the design of Distributed Virtual Environment (DVE) systems based on a server-network architecture. This problem consist of efficiently ...
Pedro Morillo, Pedro López, Juan M. Ordu&nt...
STOC
1998
ACM
139views Algorithms» more  STOC 1998»
15 years 11 months ago
Approximation Schemes for Euclidean k-Medians and Related Problems
In the k-median problem we are given a set S of n points in a metric space and a positive integer k. We desire to locate k medians in space, such that the sum of the distances fro...
Sanjeev Arora, Prabhakar Raghavan, Satish Rao
SEAL
1998
Springer
15 years 11 months ago
A Hybrid Tabu Search Algorithm for the Nurse Rostering Problem
Abstract. This paper deals with the problem of nurse rostering in Belgian hospitals. This is a highly constrained real world problem that was (until the results of this research we...
Edmund K. Burke, Patrick De Causmaecker, Greet Van...