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IPSN
2003
Springer
14 years 1 months ago
Boundary Estimation in Sensor Networks: Theory and Methods
Sensor networks have emerged as a fundamentally new tool for monitoring spatially distributed phenomena. This paper investigates a strategy by which sensor nodes detect and estima...
Robert Nowak, Urbashi Mitra
CORR
2007
Springer
128views Education» more  CORR 2007»
13 years 8 months ago
Equivalence of LP Relaxation and Max-Product for Weighted Matching in General Graphs
— Max-product belief propagation is a local, iterative algorithm to find the mode/MAP estimate of a probability distribution. While it has been successfully employed in a wide v...
Sujay Sanghavi
GLOBECOM
2007
IEEE
13 years 9 months ago
A SAGE Algorithm for Estimation of the Direction Power Spectrum of Individual Path Components
—In this contribution, the Fisher-Bingham-5 (FB5) probability density function (pdf) is used to model the shape of the direction power spectral density function (psdf) of individ...
Xuefeng Yin, Lingfeng Liu, Daniel K. Nielsen, Troe...
VLDB
2005
ACM
126views Database» more  VLDB 2005»
14 years 1 months ago
Consistently Estimating the Selectivity of Conjuncts of Predicates
Cost-based query optimizers need to estimate the selectivity of conjunctive predicates when comparing alternative query execution plans. To this end, advanced optimizers use multi...
Volker Markl, Nimrod Megiddo, Marcel Kutsch, Tam M...
ICML
2007
IEEE
14 years 8 months ago
Local similarity discriminant analysis
We propose a local, generative model for similarity-based classification. The method is applicable to the case that only pairwise similarities between samples are available. The c...
Luca Cazzanti, Maya R. Gupta