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SIGECOM
2003
ACM
128views ECommerce» more  SIGECOM 2003»
14 years 25 days ago
Solving combinatorial exchanges: optimality via a few partial bids
We investigate the problem of matching buyers and sellers in a multi-item multi-unit combinatorial exchange so as to maximize either the surplus (revenue minus cost) or the tradin...
Anshul Kothari, Tuomas Sandholm, Subhash Suri
ALGORITHMICA
2006
160views more  ALGORITHMICA 2006»
13 years 7 months ago
Combinatorial Algorithms for the Unsplittable Flow Problem
We provide combinatorial algorithms for the unsplittable flow problem (UFP) that either match or improve the previously best results. In the UFP we are given a (possibly directed)...
Yossi Azar, Oded Regev
COCOON
2005
Springer
14 years 1 months ago
Interference in Cellular Networks: The Minimum Membership Set Cover Problem
Abstract. The infrastructure for mobile distributed tasks is often formed by cellular networks. One of the major issues in such networks is interference. In this paper we tackle in...
Fabian Kuhn, Pascal von Rickenbach, Roger Wattenho...
IPL
2008
79views more  IPL 2008»
13 years 7 months ago
Ski rental with two general options
We define and solve a simple extension of the ski-rental problem [4]. In the classical version, the algorithm needs to decide when to switch from renting to buying. In our version...
Zvi Lotker, Boaz Patt-Shamir, Dror Rawitz
IPL
2010
93views more  IPL 2010»
13 years 6 months ago
Randomized algorithms for online bounded bidding
In the online bidding problem, a bidder is trying to guess a positive number T, by placing bids until the value of the bid is at least T. The bidder is charged with the sum of the...
Leah Epstein, Asaf Levin