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CIKM
2003
Springer
15 years 9 months ago
Question answering from the web using knowledge annotation and knowledge mining techniques
We present a strategy for answering fact-based natural language questions that is guided by a characterization of realworld user queries. Our approach, implemented in a system cal...
Jimmy J. Lin, Boris Katz
CVPR
2010
IEEE
15 years 9 months ago
Anatomical Parts-Based Regression Using Non-Negative Matrix Factorization
Non-negative matrix factorization (NMF) is an excellent tool for unsupervised parts-based learning, but proves to be ineffective when parts of a whole follow a specific pattern. ...
Swapna Joshi, Karthikeyan Shanmugavadivel, B.S. Ma...
CSB
2002
IEEE
169views Bioinformatics» more  CSB 2002»
15 years 9 months ago
Bayesian Network and Nonparametric Heteroscedastic Regression for Nonlinear Modeling of Genetic Network
We propose a new statistical method for constructing a genetic network from microarray gene expression data by using a Bayesian network. An essential point of Bayesian network con...
Seiya Imoto, SunYong Kim, Takao Goto, Sachiyo Abur...
HICSS
2002
IEEE
110views Biometrics» more  HICSS 2002»
15 years 9 months ago
An Empirical Exploration of Mass Interaction System Dynamics: Individual Information Overload and Usenet Discourse
The large-scale adoption of computer mediated communication technologies has resulted in what has been described as “mass interaction”, shared discourse between hundreds, thou...
Quentin Jones, Gilad Ravid, Sheizaf Rafaeli
ICDM
2002
IEEE
133views Data Mining» more  ICDM 2002»
15 years 9 months ago
Estimating the number of segments in time series data using permutation tests
Segmentation is a popular technique for discovering structure in time series data. We address the largely open problem of estimating the number of segments that can be reliably di...
Kari Vasko, Hannu Toivonen