579 search results - page 19 / 116 » Modeling word burstiness using the Dirichlet distribution |
TSD
2004
Springer
15 years 5 months ago
2004
Springer
We present a mathematical model of word sense frequency distributions, and use word distributions to set parameters. The model implies that the expected dominance of the commonest ...
113
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SIGIR
2004
ACM
15 years 5 months ago
2004
ACM
Information filtering has made considerable progress in recent years.The predominant approaches are content-based methods and collaborative methods. Researchers have largely conc...
128
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AIRS
2004
Springer
15 years 5 months ago
2004
Springer
This paper presents a cluster-based text categorization system which uses class distributional clustering of words. We propose a new clustering model which considers the global in...
115
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IDEAS
2006
IEEE
15 years 5 months ago
2006
IEEE
We present a parallel version of BIRCH with the objective of enhancing the scalability without compromising on the quality of clustering. The incoming data is distributed in a cyc...
104
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DEXAW
2010
IEEE
15 years 25 days ago
2010
IEEE
Abstract--Statistical approaches to document content modeling typically focus either on broad topics or on discourselevel subtopics of a text. We present an analysis of the perform...