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104
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SIGMOD
2003
ACM
16 years 2 months ago
2003
ACM
Decision-support applications generate queries with complex predicates. We show how the factorization of complex query expressions exposes significant opportunities for exploiting...
96
Voted
PODS
2006
ACM
16 years 2 months ago
2006
ACM
A k-set structure over data streams is a bounded-space data structure that supports stream insertion and deletion operations and returns the set of (item, frequency) pairs in the s...
123
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DEXAW
2009
IEEE
15 years 9 months ago
2009
IEEE
One of the main limitations in using ontologies in modern information systems is due to the fact that the design and maintenance of ontologies is a complex activity that requires ...
101
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FQAS
2009
Springer
15 years 9 months ago
2009
Springer
This paper presents the design of a new interface for interactive Topic Detection and Tracking (TDT) called Ievent. It is composed of 3 main views; a Cluster View, a Document View,...
121
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ICDE
2008
IEEE
15 years 8 months ago
2008
IEEE
In this paper, we present a novel architecture to support large scale stream processing services in a widely distributed environment. The proposed system, COSMOS, distinguishes it...