4273 search results - page 543 / 855 » User studies and the design of Natural Language Systems |
204
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SIGIR
2004
ACM
16 years 4 days ago
2004
ACM
List question answering (QA) offers a unique challenge in effectively and efficiently locating a complete set of distinct answers from huge corpora or the Web. In TREC-12, the med...
190
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ESANN
2007
15 years 8 months ago
2007
We study dimensionality reduction or feature selection in text document categorization problem. We focus on the first step in building text categorization systems, that is the cho...
183
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CRYPTO
1993
Springer
15 years 10 months ago
1993
Springer
A broadcast encryption scheme allows the sender to securely distribute data to a dynamically changing set of users over an insecure channel. One of the most challenging settings fo...
198
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IUI
2006
ACM
16 years 21 days ago
2006
ACM
Question answering (QA) systems take users’ natural language questions and retrieve relevant answers from large repositories of free texts. Despite recent progress in QA researc...
217
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NDQA
2003
15 years 8 months ago
2003
Growth in government investment, academic research, and commercial question answering (QA) systems is motivating a need for increased planning and coordination. The internationali...