6846 search results - page 244 / 1370 » Querying a summary of database |
161
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AVI
2004
15 years 8 months ago
2004
Summarizing large multidimensional datasets is a challenging task, often requiring extensive investigation by a user to identify overall trends and important exceptions to them. W...
151
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DEXA
2008
Springer
15 years 8 months ago
2008
Springer
The paper presents a novel method for compressing large database workloads for purpose of autonomic, continuous index selection. The compressed workload contains a small subset of ...
420
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Tutorial
The wide spread use of cellular phones, handheld devices, and GPS-like technology enables location-aware environments where virtually all objects are aware of their locations. Loca...
253
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ICDT
2009
ACM
16 years 7 months ago
2009
ACM
We study the problem of querying data sources that accept only a limited set of queries, such as sources accessible by Web services which can implement very large (potentially inf...
179
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SIGMOD
2003
ACM
16 years 6 months ago
2003
ACM
In decision support applications, the ability to provide fast approximate answers to aggregation queries is desirable. One commonly-used technique for approximate query answering ...