2514 search results - page 211 / 503 » On the Computation of Approximations of Database Queries |
264
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ICDE
2000
IEEE
16 years 8 months ago
2000
IEEE
In this paper, we study power conservation techniques for multi-attribute queries on wireless data broadcast channels. Indexing data on broadcast channels can improve client filte...
180
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SIGMOD
2004
ACM
16 years 6 months ago
2004
ACM
Exploratory ad-hoc queries could return too many answers ? a phenomenon commonly referred to as "information overload". In this paper, we propose to automatically catego...
154
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WMCSA
2002
IEEE
15 years 11 months ago
2002
IEEE
We show how the database community’s notion of a generic query interface for data aggregation can be applied to ad-hoc networks of sensor devices. As has been noted in the senso...
146
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ADC
1999
Springer
15 years 11 months ago
1999
Springer
We introduce a cost model for the M-tree access method [Ciaccia et al., 1997] which provides estimates of CPU (distance computations) and I/O costs for the execution of similarity ...
200
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ADBIS
2007
Springer
15 years 10 months ago
2007
Springer
Existing work repeatedly addresses that the ubiquitous positioning devices will start to generate an unprecedented stream of time-stamped positions leading to storage and computati...