686 search results - page 108 / 138 » Query Answering in Peer-to-Peer Data Exchange Systems |
167
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ECIR
2004
Springer
15 years 7 months ago
2004
Springer
We simulate different architectures of a distributed Information Retrieval system on a very large Web collection, in order to work out the optimal setting for a particular set of r...
190
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IPSN
2007
Springer
16 years 10 days 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...
169
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TKDE
2008
15 years 6 months ago
2008
With the advance of hardware and communication technologies, stream time series is gaining ever-increasing attention due to its importance in many applications such as financial da...
280
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GIS
2004
ACM
16 years 7 months ago
2004
ACM
Sensor networks are unattended deeply distributed systems whose schema can be conceptualized using the relational model. Aggregation queries on the data sampled at each ode are th...
184
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AAI
2007
15 years 6 months ago
2007
In recent years, the KDD process has been advocated to be an iterative and interactive process. It is seldom the case that a user is able to answer immediately with a single query...