2514 search results - page 134 / 503 » On the Computation of Approximations of Database Queries |
169
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EDBT
2006
ACM
16 years 6 months ago
2006
ACM
The need of processing graph reachability queries stems from many applications that manage complex data as graphs. The applications include transportation network, Internet traffic...
173
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EDBT
2008
ACM
16 years 6 months ago
2008
ACM
Wireless broadcast is an efficient way for information dissemination due to its good scalability [10]. Existing works typically assume mobile devices, such as cell phones and PDAs...
291
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ICDE
2006
IEEE
16 years 7 months ago
2006
IEEE
Given a set of multi-dimensional points, the skyline contains the best points according to any preference function that is monotone on all axes. In practice, applications that req...
208
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EDBT
2004
ACM
16 years 6 months ago
2004
ACM
There is a growing interest in on-line algorithms for analyzing and querying data streams, that examine each stream element only once and have at their disposal, only a limited amo...
139
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ICDE
2006
IEEE
16 years 15 days ago
2006
IEEE
In this paper, we study SQL queries with aggregate subqueries that share common tables and conditions with the outer query. While several approaches can deal with such queries, th...