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ICDM
2005
IEEE
138views Data Mining» more  ICDM 2005»
15 years 11 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»
15 years 11 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
15 years 11 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
132
Voted
FSTTCS
2000
Springer
15 years 9 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»
15 years 5 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