20066 search results - page 3897 / 4014 » T Spaces |
150
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IR
2006
15 years 4 months ago
2006
This paper describes a method, using Genetic Programming, to automatically determine term weighting schemes for the vector space model. Based on a set of queries and their human de...
146
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CORR
2007
Springer
15 years 4 months ago
2007
Springer
—We consider the problem of minimizing upper bounds and maximizing lower bounds on information rates of stationary and ergodic discrete-time channels with memory. The channels we...
157
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CORR
2007
Springer
15 years 4 months ago
2007
Springer
—In cognitive radio (CR) networks, there are scenarios where the secondary (lower priority) users intend to communicate with each other by opportunistically utilizing the transmi...
140
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CPHYSICS
2007
15 years 4 months ago
2007
During the last decade, several quantum information protocols, such as quantum key distribution, teleportation or quantum computation, have attracted a lot of interest. Despite th...
164
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CPHYSICS
2007
15 years 4 months ago
2007
In parallel to the ITER project itself, many initiatives address complementary technological issues relevant to a fusion reactor, as well as many remaining scientific issues. One...