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» Decomposing replicable functions
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TNN
2008
128views more  TNN 2008»
15 years 19 days ago
Nonnegative Matrix Factorization in Polynomial Feature Space
Abstract--Plenty of methods have been proposed in order to discover latent variables (features) in data sets. Such approaches include the principal component analysis (PCA), indepe...
Ioan Buciu, Nikos Nikolaidis, Ioannis Pitas
117
Voted
AI
1999
Springer
15 years 13 days ago
Learning by Discovering Concept Hierarchies
We present a new machine learning method that, given a set of training examples, induces a definition of the target concept in terms of a hierarchy of intermediate concepts and th...
Blaz Zupan, Marko Bohanec, Janez Demsar, Ivan Brat...
SIAMREV
2011
63views more  SIAMREV 2011»
14 years 3 months ago
Discrete Symbol Calculus
This paper deals with efficient numerical representation and manipulation of differential and integral operators as symbols in phase-space, i.e., functions of space x and frequen...
Laurent Demanet, Lexing Ying
101
Voted
BMCBI
2008
92views more  BMCBI 2008»
15 years 26 days ago
A semiparametric modeling framework for potential biomarker discovery and the development of metabonomic profiles
Background: The discovery of biomarkers is an important step towards the development of criteria for early diagnosis of disease status. Recently electrospray ionization (ESI) and ...
Samiran Ghosh, David F. Grant, Dipak K. Dey, Denni...
105
Voted
HICSS
2003
IEEE
131views Biometrics» more  HICSS 2003»
15 years 6 months ago
Free Riding: A New Challenge to Peer-to-Peer File Sharing Systems
Most of the research in the field of peer-to-peer file sharing systems has concentrated on performance issues such as efficient file lookup, replicating files to improve fil...
Lakshmish Ramaswamy, Ling Liu