2223 search results - page 252 / 445 » Query Optimization in an OODBMS |
139
Voted
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...
140
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DMSN
2008
ACM
15 years 6 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...
147
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BNCOD
2008
15 years 6 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...
233
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PODS
2009
ACM
16 years 5 months ago
2009
ACM
The B-tree is a fundamental external index structure that is widely used for answering one-dimensional range reporting queries. Given a set of N keys, a range query can be answere...
284
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ICDE
2009
IEEE
16 years 6 months ago
2009
IEEE
Increasing prevalence of large-scale distributed monitoring and computing environments such as sensor networks, scientific federations, Grids etc., has led to a renewed interest in...