Sciweavers

1671 search results - page 109 / 335
» On the Covering Steiner Problem
Sort
View
FCT
2003
Springer
15 years 6 months ago
Complexity of Approximating Closest Substring Problems
The closest substring problem, where a short string is sought that minimizes the number of mismatches between it and each of a given set of strings, is a minimization problem with ...
Patricia A. Evans, Andrew D. Smith
HEURISTICS
2006
197views more  HEURISTICS 2006»
15 years 25 days ago
Bucket elimination for multiobjective optimization problems
Multiobjective optimization deals with problems involving multiple measures of performance that should be optimized simultaneously. In this paper we extend bucket elimination (BE),...
Emma Rollon, Javier Larrosa
114
Voted
JOIN
2007
133views more  JOIN 2007»
15 years 21 days ago
The Coverage Problem in Three-Dimensional Wireless Sensor Networks
— One of the fundamental issues in sensor networks is the coverage problem, which reflects how well a sensor network is monitored or tracked by sensors. In this paper, we formul...
Chi-Fu Huang, Yu-Chee Tseng, Li-Chu Lo
100
Voted
HEURISTICS
2010
14 years 7 months ago
A large neighbourhood search approach to the multi-activity shift scheduling problem
The challenge in shift scheduling lies in the construction of a set of work shifts, which are subject to specific regulations, in order to cover fluctuating staff demands. This pro...
Claude-Guy Quimper, Louis-Martin Rousseau
SAT
2007
Springer
146views Hardware» more  SAT 2007»
15 years 7 months 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