1782 search results - page 137 / 357 » Processing Queries over Distributed XML Databases |
115
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SIGIR
2006
ACM
15 years 11 months ago
2006
ACM
We present an adaptive distributed query-sampling framework that is quality-conscious for extracting high-quality text database samples. The framework divides the query-based samp...
238
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GIS
2004
ACM
16 years 6 months ago
2004
ACM
Despite various interoperability recommendations, heterogeneity of Geographic Information Systems (GIS) is still an issue. This led to an increasing need for a data integration sy...
152
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ICDT
2001
ACM
15 years 9 months ago
2001
ACM
Withthe proliferation of database views and curated databases, the issue of data provenance where a piece of data came from and the process by which it arrived in the database is b...
123
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CIKM
2005
Springer
15 years 10 months ago
2005
Springer
In this paper, we propose a novel energy-efficient approach, a localized routing tree (LRT) coupled with a route redirection (RR) strategy, to support various types of queries. LR...
138
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VLDB
2004
ACM
15 years 10 months ago
2004
ACM
Adaptive query processing schemes attempt to reoptimize query plans during the course of query execution. A variety of techniques for adaptive query processing have been proposed,...