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ICDM
2005
IEEE
138views Data Mining» more  ICDM 2005»
14 years 1 months ago
On Feature Selection through Clustering
We study an algorithm for feature selection that clusters attributes using a special metric and then makes use of the dendrogram of the resulting cluster hierarchy to choose the m...
Richard Butterworth, Gregory Piatetsky-Shapiro, Da...
ICDM
2005
IEEE
188views Data Mining» more  ICDM 2005»
14 years 1 months ago
Hierarchy-Regularized Latent Semantic Indexing
Organizing textual documents into a hierarchical taxonomy is a common practice in knowledge management. Beside textual features, the hierarchical structure of directories reflect...
Yi Huang, Kai Yu, Matthias Schubert, Shipeng Yu, V...
FCT
2005
Springer
14 years 1 months ago
Leftist Grammars and the Chomsky Hierarchy
Leftist grammars can be characterized in terms of rules of the form a → ba and cd → d, without distinction between terminals and nonterminals. They were introduced by Motwani e...
Tomasz Jurdzinski, Krzysztof Lorys
FSTTCS
2000
Springer
13 years 11 months ago
Combining Semantics with Non-standard Interpreter Hierarchies
This paper reports on results concerning the combination of non-standard semantics via interpreters. We define what a semantics combination means and identify under which condition...
Sergei M. Abramov, Robert Glück
ECCC
1998
88views more  ECCC 1998»
13 years 7 months ago
Computational Indistinguishability: A Sample Hierarchy
We consider the existence of pairs of probability ensembles which may be efficiently distinguished from each other given k samples but cannot be efficiently distinguished given ...
Oded GoldreichMadhu Sudan