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MM
2004
ACM
122views Multimedia» more  MM 2004»
15 years 3 months ago
Context for semantic metadata
This article argues for the growing importance of quality metadata and the equation of that quality with precision and semantic grounding. Such semantic grounding requires metadat...
Kenneth B. Haase
CORR
2008
Springer
107views Education» more  CORR 2008»
14 years 10 months ago
A Spectral Algorithm for Learning Hidden Markov Models
Hidden Markov Models (HMMs) are one of the most fundamental and widely used statistical tools for modeling discrete time series. In general, learning HMMs from data is computation...
Daniel Hsu, Sham M. Kakade, Tong Zhang
JMLR
2008
114views more  JMLR 2008»
14 years 10 months ago
Coordinate Descent Method for Large-scale L2-loss Linear Support Vector Machines
Linear support vector machines (SVM) are useful for classifying large-scale sparse data. Problems with sparse features are common in applications such as document classification a...
Kai-Wei Chang, Cho-Jui Hsieh, Chih-Jen Lin
SIGIR
2003
ACM
15 years 3 months ago
Building a web thesaurus from web link structure
Thesaurus has been widely used in many applications, including information retrieval, natural language processing, and question answering. In this paper, we propose a novel approa...
Zheng Chen, Shengping Liu, Liu Wenyin, Geguang Pu,...
HICSS
2010
IEEE
180views Biometrics» more  HICSS 2010»
15 years 5 months ago
Hiding in Plain Sight: Exploiting Broadcast for Practical Host Anonymity
Users are being tracked on the Internet more than ever before as Web sites and search engines gather pieces of information sufficient to identify and study their behavior. While m...
Craig A. Shue, Minaxi Gupta