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» On the Entropy Rate of Pattern Processes
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WWW
2008
ACM
14 years 9 months ago
Knowledge sharing and yahoo answers: everyone knows something
Yahoo Answers (YA) is a large and diverse question-answer forum, acting not only as a medium for sharing technical knowledge, but as a place where one can seek advice, gather opin...
Lada A. Adamic, Jun Zhang, Eytan Bakshy, Mark S. A...
TIT
1998
90views more  TIT 1998»
13 years 8 months ago
Source Codes as Random Number Generators
—A random number generator generates fair coin flips by processing deterministically an arbitrary source of nonideal randomness. An optimal random number generator generates asy...
Karthik Visweswariah, Sanjeev R. Kulkarni, Sergio ...
PAKDD
2009
ACM
171views Data Mining» more  PAKDD 2009»
14 years 1 months ago
Detecting Abnormal Events via Hierarchical Dirichlet Processes
Abstract. Detecting abnormal event from video sequences is an important problem in computer vision and pattern recognition and a large number of algorithms have been devised to tac...
Xian-Xing Zhang, Hua Liu, Yang Gao, Derek Hao Hu
SAC
2006
ACM
14 years 2 months ago
Facial emotion recognition by adaptive processing of tree structures
We present an emotion recognition system based on a probabilistic approach to adaptive processing of Facial Emotion Tree Structures (FETS). FETS are made up of localized Gabor fea...
Jia-Jun Wong, Siu-Yeung Cho
CIDM
2007
IEEE
13 years 8 months ago
SSM : A Frequent Sequential Data Stream Patterns Miner
Data stream applications like sensor network data, click stream data, have data arriving continuously at high speed rates and require online mining process capable of delivering c...
C. I. Ezeife, Mostafa Monwar