409 search results - page 49 / 82 » Plan Databases: Model and Algebra |
ISPAN
1997
IEEE
15 years 4 months ago
1997
IEEE
This paper is concerned with the transparent parallelisation of declarative database queries, based on theoretical principles. We have designed an entire database architecture sui...
104
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VLDB
1998
ACM
15 years 4 months ago
1998
ACM
We propose a multi-dimensional language called nD-SQL with the following features: (i) nD-SQL supports queries that interoperate amongst multiple relational sources with heterogen...
176
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ICDE
2006
IEEE
16 years 1 months ago
2006
IEEE
Wireless sensor networks generate a vast amount of data. This data, however, must be sparingly extracted to conserve energy, usually the most precious resource in battery-powered ...
153
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ICDE
2011
IEEE
14 years 3 months ago
2011
IEEE
— In this paper, we study the problem of efficiently computing multiple aggregation queries over a data stream. In order to share computation, prior proposals have suggested ins...
108
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ICRA
2010
IEEE
14 years 10 months ago
2010
IEEE
— We present an algorithm that probabilistically covers a bounded region of the state space of a nonlinear system with a sparse tree of feedback stabilized trajectories leading t...