12946 search results - page 452 / 2590 » Natural Language Processing |
191
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EMNLP
2009
15 years 5 months ago
2009
This paper addresses the issue of extracting contexts and answers of questions from post discussion of online forums. We propose a novel and unified model by customizing the struc...
242
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EMNLP
2009
15 years 5 months ago
2009
Polarity lexicons have been a valuable resource for sentiment analysis and opinion mining. There are a number of such lexical resources available, but it is often suboptimal to us...
197
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EMNLP
2009
15 years 5 months ago
2009
In this paper, we provide descriptive and empirical approaches to effectively extracting underlying dependencies among parsing errors. In the descriptive approach, we define some ...
197
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EMNLP
2009
15 years 5 months ago
2009
Combining information extraction systems yields significantly higher quality resources than each system in isolation. In this paper, we generalize such a mixing of sources and fea...
224
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EMNLP
2009
15 years 5 months ago
2009
The use of lexical semantic knowledge in information retrieval has been a field of active study for a long time. Collaborative knowledge bases like Wikipedia and Wiktionary, which...