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191
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MASCOTS
2010
15 years 4 months ago
2010
—We consider the problem of optimal cluster-based data gathering in Wireless Sensor Networks (WSNs) when nearby readings are spatially correlated. Due to the dense nature of WSNs...
171
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SDM
2009
SIAM
16 years 3 months ago
2009
SIAM
Given the pairwise affinity relations associated with a set of data items, the goal of a clustering algorithm is to automatically partition the data into a small number of homogen...
189
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WWW
2006
ACM
16 years 7 months ago
2006
ACM
The need of formal verification is a problem that involves all the fields in which sensible data are managed. In this context the verification of data streams became a fundamental...
194
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CIKM
2009
Springer
16 years 1 months ago
2009
Springer
We study the problem of continuous monitoring of top-k queries over multiple non-synchronized streams. Assuming a sliding window model, this general problem has been a well addres...
198
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TIME
2007
IEEE
16 years 23 days ago
2007
IEEE
Transaction-time temporal databases and query languages provide a solid framework for analyzing properties of queries over data streams. In this paper we focus on issues connected...