2724 search results - page 317 / 545 » Optimizing Queries on Files |
146
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ICDT
2005
ACM
15 years 9 months ago
2005
ACM
Abstract. A classical problem in query optimization is to find the optimal ordering of a set of possibly correlated selections. We provide an ion of this problem as a generalizati...
126
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ICDE
1993
IEEE
15 years 8 months ago
1993
IEEE
Emerging database application domains demand not only new functionality but also high performance. To satisfy these two requirements, the Volcano project provides efficient, exten...
242
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ICDE
2006
IEEE
16 years 5 months ago
2006
IEEE
As XQuery nears standardization, more sophisticated XQuery applications are emerging, which often exploit the entire language and are applied to non-trivial XML sources. We propos...
130
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DMSN
2005
ACM
15 years 6 months ago
2005
ACM
In this paper, we introduce a rotating interrogation technique for sensor networks called Whirlpool. Whirlpool provides opportunities to optimize data delivery in time-critical mo...
131
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DMSN
2008
ACM
15 years 5 months ago
2008
ACM
With the ultimate goal of extending the data integration paradigm and query processing capabilities to ad hoc wireless networks, sensors, and stream systems, we consider how to su...