4142 search results - page 290 / 829 » Trusting an Information Agent |
163
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IJCAI
1997
15 years 8 months ago
1997
Generating query-answering plans for information gathering agents requires to translate a user query, formulated in terms of a set of virtual relations, to a query that uses relat...
186
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AAAI
1994
15 years 8 months ago
1994
Conceptual information retrieval systems use structured document indices, domain knowledge and a set of heuristic retrieval strategies to match user queries with a set of indices ...
256
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AAAI
2011
14 years 7 months ago
2011
In this paper, we propose a novel method to select the most informative subset of features, which has little redundancy and very strong discriminating power. Our proposed approach...
216
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IAT
2005
IEEE
16 years 28 days ago
2005
IEEE
Similarity measures are mechanisms that assign a numeric score indicating how closely two documents, or a document and a query match. The Cosine measure is one of the similarity m...
167
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AAAI
2007
15 years 9 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...