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SAC
2010
ACM
14 years 2 months ago
A simple role mining algorithm
Complex organizations need to establish access control policies in order to manage access to restricted resources. Role Based Access Control paradigm has been introduced in ’90 ...
Carlo Blundo, Stelvio Cimato
ISAAC
2003
Springer
117views Algorithms» more  ISAAC 2003»
14 years 18 days ago
Approximate Regular Expression Searching with Arbitrary Integer Weights
Abstract. We present a bit-parallel technique to search a text of length n for a regular expression of m symbols permitting k differences in worst case time O(mn/ logk s), where s...
Gonzalo Navarro
ICASSP
2011
IEEE
12 years 11 months ago
Compressive sensing meets game theory
We introduce the Multiplicative Update Selector and Estimator (MUSE) algorithm for sparse approximation in underdetermined linear regression problems. Given f = Φα∗ + µ, the ...
Sina Jafarpour, Robert E. Schapire, Volkan Cevher
INFOCOM
2008
IEEE
14 years 1 months ago
Approximation Algorithms for Computing Capacity of Wireless Networks with SINR Constraints
—A fundamental problem in wireless networks is to estimate its throughput capacity - given a set of wireless nodes, and a set of connections, what is the maximum rate at which da...
Deepti Chafekar, V. S. Anil Kumar, Madhav V. Marat...
ESA
2005
Springer
140views Algorithms» more  ESA 2005»
14 years 28 days ago
Bucket Game with Applications to Set Multicover and Dynamic Page Migration
We present a simple two-person Bucket Game, based on throwing balls into buckets, and we discuss possible players’ strategies. We use these strategies to create an approximation ...
Marcin Bienkowski, Jaroslaw Byrka