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169
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TWC
2008
15 years 3 months ago
2008
Spectrum sensing is the key enabling technology for cognitive radio networks. The main objective of spectrum sensing is to provide more spectrum access opportunities to cognitive r...
143
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PVLDB
2010
15 years 2 months ago
2010
The current widespread use of location-based services and GPS technologies has revived interest in very fast and scalable shortest path queries. We introduce a new shortest path q...
138
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WDAG
2010
Springer
15 years 2 months ago
2010
Springer
We argue that traditional synchronization objects, such as locks, conditions, and atomic/volatile variables, should be defined in terms of transactions, rather than the other way ...
168
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ICTAI
2010
IEEE
15 years 1 months ago
2010
IEEE
A conversational recommender system iteratively shows a small set of options for its user to choose between. In order to select these options, the system may analyze the queries tr...
144
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LICS
2010
IEEE
15 years 1 months ago
2010
IEEE
We prove that fixed-point logic with counting captures polynomial time on all classes of graphs with excluded minors. That is, for every class C of graphs such that some graph H is...