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ECCC
2006
75views more  ECCC 2006»
15 years 7 months ago
Note on MAX 2SAT
In this note we present an approximation algorithm for MAX 2SAT that given a (1 - ) satisfiable instance finds an assignment of variables satisfying a 1 - O( ) fraction of all co...
Moses Charikar, Konstantin Makarychev, Yury Makary...
JMIV
2002
72views more  JMIV 2002»
15 years 6 months ago
Estimating Overcomplete Independent Component Bases for Image Windows
Estimating overcomplete ICA bases for image windows is a difficult problem. Most algorithms require the estimation of values of the independent components which leads to computatio...
Aapo Hyvärinen, Mika Inki
ICCS
2001
Springer
15 years 11 months ago
Parallel High-Dimensional Integration: Quasi-Monte Carlo versus Adaptive Cubature Rules
Abstract Parallel algorithms for the approximation of a multi-dimensional integral over an hyper-rectangular region are discussed. Algorithms based on quasi-Monte Carlo techniques ...
Rudolf Schürer
INFOCOM
2010
IEEE
15 years 5 months ago
Information Quality Aware Routing in Event-Driven Sensor Networks
—Upon the occurrence of a phenomenon of interest in a wireless sensor network, multiple sensors may be activated, leading to data implosion and redundancy. Data aggregation and/o...
Hwee-Xian Tan, Mun-Choon Chan, Wendong Xiao, Peng ...
FOCS
2008
IEEE
16 years 1 months ago
Degree Bounded Network Design with Metric Costs
Given a complete undirected graph, a cost function on edges and a degree bound B, the degree bounded network design problem is to find a minimum cost simple subgraph with maximum...
Yuk Hei Chan, Wai Shing Fung, Lap Chi Lau, Chun Ko...