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» Approximating Betweenness Centrality
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PODS
2012
ACM
253views Database» more  PODS 2012»
13 years 9 months ago
Local transformations and conjunctive-query equivalence
Over the past several decades, the study of conjunctive queries has occupied a central place in the theory and practice of database systems. In recent years, conjunctive queries h...
Ronald Fagin, Phokion G. Kolaitis
ICCV
2007
IEEE
16 years 8 months ago
Mode-seeking by Medoidshifts
We present a nonparametric mode-seeking algorithm, called medoidshift, based on approximating the local gradient using a weighted estimate of medoids. Like meanshift, medoidshift ...
Yaser Sheikh, Erum A. Khan, Takeo Kanade
ICPR
2004
IEEE
16 years 8 months ago
3D Shape-based Face Recognition using Automatically Registered Facial Surfaces
In this paper, we address the use of three dimensional facial shape information for human face identification. We propose a new method to represent faces as 3D registered point cl...
Berk Gökberk, Lale Akarun, M. Okan Irfanoglu
ISBI
2006
IEEE
16 years 7 months ago
Automatic registration of mammograms using texture-based anisotropic features
In this paper, an automated registration framework is proposed to identify the differences between corresponding mammographic images. The deformation between a pair of mammograms ...
Kexiang Wang, Hong Qin, Paul R. Fisher, Wei Zhao
WWW
2004
ACM
16 years 7 months ago
Combining link and content analysis to estimate semantic similarity
Search engines use content and link information to crawl, index, retrieve, and rank Web pages. The correlations between similarity measures based on these cues and on semantic ass...
Filippo Menczer