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AAAI
2004
14 years 11 months ago
Combinatorial Auctions with Structured Item Graphs
Combinatorial auctions (CAs) are important mechanisms for allocating interrelated items. Unfortunately, winner determination is NP-complete unless there is special structure. We s...
Vincent Conitzer, Jonathan Derryberry, Tuomas Sand...
HPDC
2010
IEEE
14 years 10 months ago
Cluster-wide context switch of virtualized jobs
Clusters are mostly used through Resources Management Systems (RMS) with a static allocation of resources for a bounded amount of time. Those approaches are known to be insufficie...
Fabien Hermenier, Adrien Lebre, Jean-Marc Menaud
MOBICOM
2010
ACM
14 years 9 months ago
Differential forms for target tracking and aggregate queries in distributed networks
Consider mobile targets moving in a plane and their movements being monitored by a network such as a field of sensors. We develop distributed algorithms for in-network tracking an...
Rik Sarkar, Jie Gao
SMA
2010
ACM
231views Solid Modeling» more  SMA 2010»
14 years 9 months ago
Fast and robust retrieval of Minkowski sums of rotating convex polyhedra in 3-space
We present a novel method for fast retrieval of exact Minkowski sums of pairs of convex polytopes in R3 , where one of the polytopes keeps rotating. The algorithm is based on pre-...
Naama Mayer, Efi Fogel, Dan Halperin
CN
2007
168views more  CN 2007»
14 years 9 months ago
A MAC layer power management scheme for efficient energy delay tradeoff in a WLAN
— Energy efficient operation is of paramount importance for battery-powered wireless nodes. In an effort to conserve energy, standard protocols for WLANs have the provision for w...
Mahasweta Sarkar, Rene L. Cruz