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IPPS
2000
IEEE
15 years 11 months ago
De Bruijn Isomorphisms and Free Space Optical Networks
The de Bruijn digraph Bd;D is usually defined by words of size D on an alphabet of cardinality d, through a cyclic left shift permutation on the words, after which the rightmos...
David Coudert, Afonso Ferreira, Stephane Perennes
ITS
2010
Springer
163views Multimedia» more  ITS 2010»
15 years 8 months ago
Correcting Scientific Knowledge in a General-Purpose Ontology
General-purpose ontologies (e.g. WordNet) are convenient, but they are not always scientifically valid. We draw on techniques from semantic class learning to improve the scientific...
Michael Lipschultz, Diane J. Litman
ESANN
2007
15 years 8 months ago
Kernel PCA based clustering for inducing features in text categorization
We study dimensionality reduction or feature selection in text document categorization problem. We focus on the first step in building text categorization systems, that is the cho...
Zsolt Minier, Lehel Csató
EMNLP
2004
15 years 8 months ago
Unsupervised WSD based on Automatically Retrieved Examples: The Importance of Bias
This paper explores the large-scale acquisition of sense-tagged examples for Word Sense Disambiguation (WSD). We have applied the "WordNet monosemous relatives" method t...
Eneko Agirre, David Martínez
NAACL
2001
15 years 8 months ago
Edit Detection and Parsing for Transcribed Speech
We present a simple architecture for parsing transcribed speech in which an edited-word detector first removes such words from the sentence string, and then a standard statistical...
Eugene Charniak, Mark Johnson