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» Measurable sets with excluded distances
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IPM
2007
158views more  IPM 2007»
13 years 8 months ago
Validation and interpretation of Web users' sessions clusters
Understanding users’ navigation on the Web is important towards improving the quality of information and the speed of accessing large-scale Web data sources. Clustering of users...
George Pallis, Lefteris Angelis, Athena Vakali
ESWA
2002
93views more  ESWA 2002»
13 years 8 months ago
Image mining by content
Image mining presents special characteristics due to the richness of the data that an image can show. Effective evaluation of the results of image mining by content requires that ...
Aura Conci, Everest Mathias M. M. Castro
JCSS
2002
199views more  JCSS 2002»
13 years 8 months ago
A Constant-Factor Approximation Algorithm for the k-Median Problem
We present the first constant-factor approximation algorithm for the metric k-median problem. The k-median problem is one of the most well-studied clustering problems, i.e., those...
Moses Charikar, Sudipto Guha, Éva Tardos, D...
TMI
2002
155views more  TMI 2002»
13 years 8 months ago
Active Shape Model Segmentation with Optimal Features
Abstract--An active shape model segmentation scheme is presented that is steered by optimal local features, contrary to normalized first order derivative profiles, as in the origin...
Bram van Ginneken, Alejandro F. Frangi, Joes Staal...
MOR
2010
118views more  MOR 2010»
13 years 7 months ago
Strategyproof Approximation of the Minimax on Networks
We consider the problem of locating a facility on a network, represented by a graph. A set of strategic agents have different ideal locations for the facility; the cost of an age...
Noga Alon, Michal Feldman, Ariel D. Procaccia, Mos...