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APPROX
2009
Springer
142views Algorithms» more  APPROX 2009»
14 years 3 months ago
Optimal Sherali-Adams Gaps from Pairwise Independence
Abstract. This work considers the problem of approximating fixed predicate constraint satisfaction problems (MAX k-CSP(P)). We show that if the set of assignments accepted by P co...
Konstantinos Georgiou, Avner Magen, Madhur Tulsian...
FCT
2007
Springer
14 years 11 days ago
On Approximating Optimal Weighted Lobbying, and Frequency of Correctness Versus Average-Case Polynomial Time
We investigate issues regarding two hard problems related to voting, the optimal weighted lobbying problem and the winner problem for Dodgson elections. Regarding the former, Chris...
Gábor Erdélyi, Lane A. Hemaspaandra,...
UAI
2001
13 years 9 months ago
Toward General Analysis of Recursive Probability Models
There is increasing interest within the research community in the design and use of recursive probability models. There remains concern about computational complexity costs and th...
Daniel Pless, George F. Luger
COCOON
2008
Springer
13 years 10 months ago
Spectrum Bidding in Wireless Networks and Related
In this paper, we study the spectrum assignment problem for wireless access networks. Opportunistic spectrum usage is a promising technology. However, it could suffer from the self...
Xiang-Yang Li, Ping Xu, ShaoJie Tang, Xiaowen Chu
TCS
2008
13 years 8 months ago
Scheduling to maximize participation
We study a problem of scheduling client requests to servers. Each client has a particular latency requirement at each server and may choose either to be assigned to some server in ...
Ioannis Caragiannis, Christos Kaklamanis, Panagiot...