329 search results - page 37 / 66 » Dimensionality Reduction for Text using Domain Knowledge |
148
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Publication
This paper studies the effect of covariance regularization for classific ation of high-dimensional data. This is done by fitting a mixture of Gaussians with a regularized covaria...
106
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CICLING
2007
Springer
15 years 8 months ago
2007
Springer
Term selection process is a very necessary component for most natural language processing tasks. Although different unsupervised techniques have been proposed, the best results ar...
126
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KDD
2009
ACM
16 years 3 months ago
2009
ACM
In recent years, the number of patents filed by the business enterprises in the technology industry are growing rapidly, thus providing unprecedented opportunities for knowledge d...
WEBI
2001
Springer
15 years 7 months ago
2001
Springer
Most people store ‘bookmarks’ to web pages. These allow the user to return to a web page later on, without having to remember the exact URL address. People attempt to organise ...
120
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CIKM
2004
Springer
15 years 8 months ago
2004
Springer
It is crucial in many information systems to organize short text segments, such as keywords in documents and queries from users, into a well-formed topic hierarchy. In this paper,...