4180 search results - page 481 / 836 » A Query Language for XML |
177
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CIKM
2004
Springer
16 years 4 days ago
2004
Springer
Query expansion is a well-known technique that has been shown to improve average retrieval performance. This technique has not been used in many operational systems because of the...
157
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ISCIS
2003
Springer
15 years 12 months ago
2003
Springer
Abstract. The focus of this paper is approaches to measuring similarity for application in content-based query evaluation. Rather than only comparing at the level of words, the iss...
211
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DBPL
2001
Springer
15 years 11 months ago
2001
Springer
Abstract. We address a fundamental question concerning spatio-temporal database systems: “What are exactly spatio-temporal queries?” We define spatio-temporal queries to be co...
167
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MM
1997
ACM
15 years 11 months ago
1997
ACM
Multimedia data has become readily available from a variety of resources, such as the Web, to users (ranging from naive to sophisticated) who need to select and to present the dat...
173
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DLOG
2007
15 years 9 months ago
2007
We present a query answering technique based on notions and results from modal Correspondence Theory. It allows us to answer a wide family of conjunctive queries by polynomial redu...