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112
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JCST
2010
14 years 6 months ago
2010
Abstract We define a notion of context that represents invariant, stable-over-time behavior in an environment and we propose an algorithm for detecting context changes in a stream ...
102
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WWW
2006
ACM
16 years 11 days ago
2006
ACM
Path expressions are the principal means of locating data in a hierarchical model. But path expressions are brittle because they often depend on the structure of data and break if...
ICDCS
2010
IEEE
15 years 3 months ago
2010
IEEE
—Wireless Sensor Network (WSN) applications are typically event-driven. While the source codes of these applications may look simple, they are executed with a complicated concurr...
KDD
2009
ACM
16 years 7 days ago
2009
ACM
Classification is a core task in knowledge discovery and data mining, and there has been substantial research effort in developing sophisticated classification models. In a parall...
ICC
2009
IEEE
15 years 6 months ago
2009
IEEE
: It is well known that no security mechanism can provide full protection against a potential attack. There is always a possibility that a security incident may happen, mainly as a...