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246
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VLDB
2007
ACM
16 years 4 months ago
2007
ACM
We present STAR, a self-tuning algorithm that adaptively sets numeric precision constraints to accurately and efficiently answer continuous aggregate queries over distributed data...
242
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SIGMOD
2007
ACM
16 years 4 months ago
2007
ACM
Translating data and data access operations between applications and databases is a longstanding data management problem. We present a novel approach to this problem, in which the...
218
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SIGMOD
2006
ACM
16 years 4 months ago
2006
ACM
The area of automatic selection of physical database design to optimize the performance of a relational database system based on a workload of SQL queries and updates has gained p...
123
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EDBT
2004
ACM
16 years 4 months ago
2004
ACM
Efficient search for nearest neighbors (NN) is a fundamental problem arising in a large variety of applications of vast practical interest. In this paper we propose a novel techniq...
144
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PERCOM
2008
ACM
16 years 4 months ago
2008
ACM
In this paper we present CoWSAMI, a middleware infrastructure that enables context awareness in open ambient intelligence environments, consisting of mobile users and context sour...