3225 search results - page 379 / 645 » Query Optimization by Stored Queries |
165
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DMSN
2005
ACM
15 years 8 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...
174
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DMSN
2008
ACM
15 years 8 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...
173
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BNCOD
2008
15 years 8 months ago
2008
Abstract. Accurate selectivity estimations are essential for query optimization decisions where they are typically derived from various kinds of histograms which condense value dis...
206
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EDBT
2009
ACM
16 years 1 months ago
2009
ACM
Data stream management systems usually have to process many long-running queries that are active at the same time. Multiple queries can be evaluated more efficiently together tha...
249
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SIGMOD
2007
ACM
16 years 6 months ago
2007
ACM
Commercial enterprise data warehouses are typically implemented on parallel databases due to the inherent scalability and performance limitation of a serial architecture. Queries ...