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DIS
2007
Springer
14 years 1 months ago
Unsupervised Spam Detection Based on String Alienness Measures
We propose an unsupervised method for detecting spam documents from Web page data, based on equivalence relations on strings. We propose 3 measures for quantifying the alienness (...
Kazuyuki Narisawa, Hideo Bannai, Kohei Hatano, Mas...
CIKM
2008
Springer
13 years 9 months ago
Passage relevance models for genomics search
We present a passage relevance model for integrating syntactic and semantic evidence of biomedical concepts and topics using a probabilistic graphical model. Component models of t...
Jay Urbain, Ophir Frieder, Nazli Goharian
SIGIR
2005
ACM
14 years 1 months ago
Finding semantically similar questions based on their answers
A large number of question and answer pairs can be collected from question and answer boards and FAQ pages on the Web. This paper proposes an automatic method of finding the ques...
Jiwoon Jeon, W. Bruce Croft, Joon Ho Lee
AAAI
2008
13 years 10 months ago
Clustering via Random Walk Hitting Time on Directed Graphs
In this paper, we present a general data clustering algorithm which is based on the asymmetric pairwise measure of Markov random walk hitting time on directed graphs. Unlike tradi...
Mo Chen, Jianzhuang Liu, Xiaoou Tang
NIPS
1998
13 years 9 months ago
Bayesian Modeling of Facial Similarity
In previous work 6, 9, 10], we advanced a new technique for direct visual matching of images for the purposes of face recognition and image retrieval, using a probabilistic measur...
Baback Moghaddam, Tony Jebara, Alex Pentland