2312 search results - page 285 / 463 » An algorithmic approach to knowledge evolution |
191
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CVPR
2001
IEEE
16 years 8 months ago
2001
IEEE
This paper presents an improvement of the classical Non-negative Matrix Factorization (NMF) approach, for dealing with local representations of image objects. NMF, when applied to...
150
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SIGIR
2006
ACM
16 years 15 days ago
2006
ACM
Modern distributed information retrieval techniques require accurate knowledge of collection size. In non-cooperative environments, where detailed collection statistics are not av...
151
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KCAP
2005
ACM
16 years 3 days ago
2005
ACM
Extensive and deep paraphrase corpora are important for a variety of natural language processing and user interaction tasks. In this paper, we present an approach which i) collect...
146
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AAAI
2007
15 years 8 months ago
2007
The goal of information extraction is to extract database records from text or semi-structured sources. Traditionally, information extraction proceeds by first segmenting each ca...
163
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LREC
2008
15 years 8 months ago
2008
Existing techniques extract term candidates by looking for internal and contextual information associated with domain specific terms. The algorithms always face the dilemma that f...