2851 search results - page 496 / 571 » A Knowledge Based Approach on Educational Metadata Use |
113
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NGC
1998
Springer
14 years 11 months ago
1998
Springer
Reducing redundancy in search has been a major concern for automated deduction. Subgoal-reduction strategies, such as those based on model elimination and implemented in Prolog te...
109
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INFOCOM
2010
IEEE
14 years 10 months ago
2010
IEEE
Abstract—We consider a cognitive radio network where multiple secondary users (SUs) contend for spectrum usage, using random access, over available primary user (PU) channels. Ou...
107
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JCM
2010
14 years 10 months ago
2010
— This paper presents a resource-efficient protocol for opportunistic routing in delay-tolerant networks (DTN). First, our approach exploits the context of mobile nodes (speed, ...
114
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CIKM
2009
Springer
14 years 9 months ago
2009
Springer
In this paper, we present a framework for mining diverging patterns, a new type of contrast patterns whose frequency changes significantly differently in two data sets, e.g., it c...
143
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CSDA
2011
14 years 6 months ago
2011
The outer layers of the Earth’s atmosphere are known as the ionosphere, a plasma of free electrons and positively charged atomic ions. The electron density of the ionosphere var...