2724 search results - page 305 / 545 » Optimizing Queries on Files |
160
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VLDB
2007
ACM
15 years 10 months ago
2007
ACM
This paper describes Continuous Queries (CQ) in Oracle RDBMS, a feature that incorporates stream and complex event processing into an RDBMS, the first such attempt in commercial d...
153
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VLDB
2004
ACM
15 years 9 months ago
2004
ACM
In data stream applications, data arrive continuously and can only be scanned once as the query processor has very limited memory (relative to the size of the stream) to work with...
144
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TKDE
2011
14 years 11 months ago
2011
—With the advance of wireless communication technology, it is quite common for people to view maps or get related services from the handheld devices, such as mobile phones and PD...
268
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VLDB
2005
ACM
16 years 4 months ago
2005
ACM
Estimating the selectivity of multidimensional range queries over real valued attributes has significant applications in data exploration and database query optimization. In this p...
162
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WISE
2007
Springer
15 years 10 months ago
2007
Springer
We study and present our findings on two closely related problems on xpath rewriting using views when both the view and the query are tree patterns involving /,// and []. First, g...