4199 search results - page 594 / 840 » Generalizing Data in Natural Language |
165
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KCAP
2005
ACM
16 years 1 days ago
2005
ACM
Capturing knowledge from free-form evaluative texts about an entity is a challenging task. New techniques of feature extraction, polarity determination and strength evaluation hav...
178
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SIGIR
2005
ACM
16 years 1 days ago
2005
ACM
State-of-the-art question answering (QA) systems employ termdensity ranking to retrieve answer passages. Such methods often retrieve incorrect passages as relationships among ques...
157
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SIGIR
2005
ACM
16 years 1 days ago
2005
ACM
Informal communication (e-mail, bulletin boards) poses a difficult learning environment because traditional grammatical and lexical information are noisy. Other information is nec...
177
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CIKM
2005
Springer
16 years 17 hour ago
2005
Springer
This paper presents a hybrid concept hierarchy development technique for web returned documents retrieved by a meta-search engine. The aim of the technique is to separate the init...
162
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CIKM
2005
Springer
16 years 17 hour ago
2005
Springer
Little work to date in sentiment analysis (classifying texts by ‘positive’ or ‘negative’ orientation) has attempted to use fine-grained semantic distinctions in features ...