3225 search results - page 248 / 645 » Query Optimization by Stored Queries |
204
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CLEF
2004
Springer
15 years 11 months ago
2004
Springer
Abstract. Recent research has suggested that there is no general similarity measure, which can be applied on arbitrary databases without any parameterization. Hence, the optimal co...
191
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WWW
2006
ACM
16 years 6 months ago
2006
ACM
Applications and services that access Web data are becoming increasingly more useful and wide-spread. Current main-stream Web query languages such as XQuery, XSLT, or SPARQL, howe...
149
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SIGMOD
2003
ACM
16 years 6 months ago
2003
ACM
We discuss the design of an acquisitional query processor for data collection in sensor networks. Acquisitional issues are those that pertain to where, when, and how often data is...
145
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SEMWEB
2009
Springer
16 years 21 days ago
2009
Springer
Abstract. Query answering for the QL profile of OWL 2 and a substantial fragment of the EL profile can be implemented via query rewriting. In our previous work, we presented RQR...
174
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ICDE
2008
IEEE
16 years 18 days ago
2008
IEEE
— Skyline queries are capable of retrieving interesting points from a large data set according to multiple criteria. Most work on skyline queries so far has assumed a centralized...