3891 search results - page 195 / 779 » Query Models |
173
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DMDW
2000
15 years 7 months ago
2000
View materialization is a central issue in logical design of data warehouses since it is one of the most powerful techniques to improve the response to the workload. Most approach...
257
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ICDE
2000
IEEE
16 years 7 months ago
2000
IEEE
In this paper, we study power conservation techniques for multi-attribute queries on wireless data broadcast channels. Indexing data on broadcast channels can improve client filte...
275
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SIGMOD
2007
ACM
16 years 6 months ago
2007
ACM
XML is the data interoperability standard in many application domains. Therefore, an increasing number of researchers and professionals, who are not computer scientists (although ...
153
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WEBDB
2009
Springer
16 years 28 days ago
2009
Springer
Web archives play an important role in preserving our cultural heritage for future generations. When searching them, a serious problem arises from the fact that terminology evolve...
164
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SIGMOD
2011
ACM
14 years 9 months ago
2011
ACM
We study the problem of context-sensitive ranking for document retrieval, where a context is defined as a sub-collection of documents, and is specified by queries provided by do...