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ESORICS
2009
Springer
14 years 8 months ago
Set Covering Problems in Role-Based Access Control
Abstract. Interest in role-based access control has generated considerable research activity in recent years. A number of interesting problems related to the well known set cover p...
Liang Chen, Jason Crampton
FGCN
2007
IEEE
149views Communications» more  FGCN 2007»
14 years 2 months ago
Cover Set Problem in Directional Sensor Networks
— A directional sensor network consists of a number of directional sensors, which can switch to several directions to extend their sensing ability to cover the interested targets...
Yanli Cai, Wei Lou, Minglu Li
ICDT
2005
ACM
128views Database» more  ICDT 2005»
14 years 1 months ago
The Pipelined Set Cover Problem
Abstract. A classical problem in query optimization is to find the optimal ordering of a set of possibly correlated selections. We provide an ion of this problem as a generalizati...
Kamesh Munagala, Shivnath Babu, Rajeev Motwani, Je...
ICALP
2004
Springer
14 years 1 months ago
The Minimum-Entropy Set Cover Problem
We study graph orientations that minimize the entropy of the in-degree sequence. The problem of finding such an orientation is an interesting special case of the minimum entropy ...
Eran Halperin, Richard M. Karp
ANTSW
2004
Springer
14 years 1 months ago
A Comparison Between ACO Algorithms for the Set Covering Problem
Abstract. In this paper we present a study of several Ant Colony Optimization (ACO) algorithms for the Set Covering Problem. In our computational study we emphasize the influence ...
Lucas Lessing, Irina Dumitrescu, Thomas Stütz...