1471 search results - page 50 / 295 » Word Importance Discrimination Using Context Information |
PRL
2010
14 years 8 months ago
2010
: Single training image face recognition is one of main challenges to appearance-based pattern recognition techniques. Many classical dimensionality reduction methods such as LDA h...
ADMA
2008
Springer
15 years 4 months ago
2008
Springer
Anchor text has been shown to be effective in ranking[6] and a variety of information retrieval tasks on web pages. Some authors have expanded on anchor text by using the words ar...
103
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JIIS
2002
14 years 9 months ago
2002
In this paper we propose a model for relevance feedback. Our model combines evidence from user's relevance assessments with algorithms describing how words are used within do...
PRIS
2004
14 years 11 months ago
2004
Information Extraction (IE) from text /web documents has become an important application area of AI. As the number of web sites and documents has grown dramatically, the users need...
106
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IJCNLP
2004
Springer
15 years 3 months ago
2004
Springer
In this paper, a series of window-based methods is proposed for information retrieval. Compared with traditional tf-idf model, our approaches are based on two new key notions. The ...