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204
Voted
VLDB
2007
ACM
16 years 28 days 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...
205
Voted
SIGMOD
2007
ACM
16 years 25 days 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...
180
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SIGMOD
2006
ACM
16 years 25 days 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...
87
Voted
EDBT
2004
ACM
16 years 25 days 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...
117
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PERCOM
2008
ACM
16 years 9 days 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...