2063 search results - page 200 / 413 » Containment of Aggregate Queries |
126
Voted
DEXA
2008
Springer
15 years 6 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 ...
118
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JCSS
2008
15 years 5 months ago
2008
We give a quadratic algorithm for the following structure identification problem: given a Boolean relation R and a finite set S of Boolean relations, can the relation R be express...
231
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VLDB
2007
ACM
16 years 5 months ago
2007
ACM
Several recent papers have focused on OLAP over imprecise data, where each fact can be a region, instead of a point, in a multidimensional space. They have provided a multiple-wor...
173
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SIGMOD
2011
ACM
14 years 7 months ago
2011
ACM
We consider extending decision support facilities toward large sophisticated networks, upon which multidimensional attributes are associated with network entities, thereby forming...
174
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IPSN
2007
Springer
15 years 11 months ago
2007
Springer
In this paper we propose a lightweight algorithm for constructing multi-resolution data representations for sensor networks. We compute, at each sensor node u, O(log n) aggregates...