2145 search results - page 98 / 429 » Pattern-Based Query Answering |
108
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ER
2010
Springer
14 years 9 months ago
2010
Springer
Traditional information search in which queries are posed against a known and rigid schema over a structured database is shifting towards a Web scenario in which exposed schemas ar...
109
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EDBT
2009
ACM
15 years 3 months ago
2009
ACM
In a database system, disclosure of confidential private data may occur if users can put together the answers of past queries. Traditional access control mechanisms cannot guard a...
KR
1992
Springer
15 years 3 months ago
1992
Springer
While the task of answering queries from an arbitrary propositional theory is intractable in general, it can typicallybe performed e ciently if the theory is Horn. This suggests t...
ICDE
2010
IEEE
14 years 11 months ago
2010
IEEE
— In this paper, we aim to realize a context and preference-aware database system, CareDB, that provides scalable personalized location-based services to users based on their pre...
ICTAI
2003
IEEE
15 years 4 months ago
2003
IEEE
We investigate two seemingly incompatible approaches for improving document retrieval performance in the context of question answering: query expansion and query reduction. Querie...