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CORR
2007
Springer
95views Education» more  CORR 2007»
15 years 6 months ago
Solving the subset-sum problem with a light-based device
We propose a special computational device which uses light rays for solving the subset-sum problem. The device has a graph-like representation and the light is traversing it by fol...
Mihai Oltean, Oana Muntean
JDA
2008
100views more  JDA 2008»
15 years 6 months ago
Efficient sampling of random permutations
We show how to uniformly distribute data at random (not to be confounded with permutation routing) in two settings that are able to deal with massive data: coarse grained parallel...
Jens Gustedt
IPL
2006
97views more  IPL 2006»
15 years 6 months ago
A fixed-parameter tractability result for multicommodity demand flow in trees
We study an NP-hard (and MaxSNP-hard) problem in trees--Multicommodity Demand Flow--dealing with demand flows between pairs of nodes and trying to maximize the value of the routed...
Jiong Guo, Rolf Niedermeier
JNW
2008
93views more  JNW 2008»
15 years 6 months ago
MAC Protocols for GSP in Wireless Sensor Networks
The Gossip-based Sleep Protocol (GSP) is a routing protocol designed to save energy in Wireless Sensor Networks. This work presents two MAC protocols designed to complement the cha...
Maria Calle, Joseph Kabara
JUCS
2008
153views more  JUCS 2008»
15 years 6 months ago
Bus Network Optimization with a Time-Dependent Hybrid Algorithm
: This paper describes a new hybrid technique that combines a Greedy Randomized Adaptive Search Procedure (GRASP) and a genetic algorithm with simulation features in order to solve...
Ana C. Olivera, Mariano Frutos, Jessica Andrea Car...