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114
Voted
TAMC
2009
Springer
2009
Springer
Linear Programming Based Approximation Algorithms for Feedback Set Problems in Bipartite Tournaments
15 years 7 months ago
We consider the feedback vertex set and feedback arc set problems in bipartite tournaments. We improve on recent results by giving a 2-approximation algorithm for the feedback vert...
84
Voted
RECSYS
2009
ACM
15 years 7 months ago
2009
ACM
We consider the problem of recommending the best set of k items when there is an inherent ordering between items, expressed as a set of prerequisites (e.g., the course ‘Real Ana...
77
Voted
SIGECOM
2009
ACM
15 years 7 months ago
2009
ACM
We consider the problem of a search engine trying to assign a sequence of search keywords to a set of competing bidders, each with a daily spending limit. The goal is to maximize ...
111
Voted
CEC
2008
IEEE
15 years 7 months ago
2008
IEEE
—The particle swarm optimizer (PSO) is a popular computing technique of swarm intelligence, known for its fast convergence speed and easy implementation. All the particles in the...
122
Voted
COMSWARE
2008
IEEE
15 years 7 months ago
2008
IEEE
Abstract—Our previous study comparing analytically a comprehensive set of reliable data streaming protocols has shown that an hybrid protocol comprising stop-and-wait hop-by-hop ...