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» Relative Entropy and Statistics
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117
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CSDA
2008
128views more  CSDA 2008»
15 years 20 days ago
On the equivalence between Non-negative Matrix Factorization and Probabilistic Latent Semantic Indexing
Non-negative Matrix Factorization (NMF) and Probabilistic Latent Semantic Indexing (PLSI) have been successfully applied to document clustering recently. In this paper, we show th...
Chris H. Q. Ding, Tao Li, Wei Peng
70
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CSDA
2008
65views more  CSDA 2008»
15 years 20 days ago
How to compare small multivariate samples using nonparametric tests
In plant pathology, in particular, and plant science, in general, experiments are often conducted to determine disease and related responses of plants to various treatments. Typic...
Arne C. Bathke, Solomon W. Harrar, Laurence V. Mad...
111
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ECCC
2010
95views more  ECCC 2010»
15 years 20 days ago
Bounded-depth circuits cannot sample good codes
We study a variant of the classical circuit-lower-bound problems: proving lower bounds for sampling distributions given random bits. We prove a lower bound of 1 - 1/n(1) on the st...
Shachar Lovett, Emanuele Viola
115
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ENGL
2008
116views more  ENGL 2008»
15 years 20 days ago
A Low Cost Machine Translation Method for Cross-Lingual Information Retrieval
In one form or another language translation is a necessary part of cross-lingual information retrieval systems. Often times this is accomplished using machine translation systems....
David B. Bracewell, Fuji Ren, Shingo Kuroiwa
92
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BIOINFORMATICS
2006
135views more  BIOINFORMATICS 2006»
15 years 19 days ago
Effective similarity measures for expression profiles
It is commonly accepted that genes with similar expression profiles are functionally related. However, there are many ways one can measure the similarity of expression profiles, a...
Golan Yona, William Dirks, Shafquat Rahman, David ...