485 search results - page 83 / 97 » Processing complex aggregate queries over data streams |
198
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ICDE
2000
IEEE
16 years 1 months ago
2000
IEEE
Optimizing queries that involve operations on spatial data requires estimating the selectivity and cost of these operations. In this paper, we focus on estimating the cost of spat...
121
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EDBTW
2010
Springer
15 years 3 months ago
2010
Springer
Successfully structuring information in databases, OLAP cubes, and XML is a crucial element in managing data nowadays. However this process brought new challenges to usability. It...
210
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ICDE
2006
IEEE
16 years 1 months ago
2006
IEEE
We consider the problem of creating a sample view of a database table. A sample view is an indexed, materialized view that permits efficient sampling from an arbitrary range query...
VLDB
2005
ACM
15 years 6 months ago
2005
ACM
Existing work for query processing over graph data models often relies on pre-computing the transitive closure or path indexes. In this paper, we propose a family of stack-based a...
100
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PVLDB
2010
14 years 11 months ago
2010
In this paper, we present SnipSuggest, a system that provides onthe-go, context-aware assistance in the SQL composition process. SnipSuggest aims to help the increasing population...