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159
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AI
2010
Springer
15 years 6 months ago
2010
Springer
We investigate the problem of eliciting CP-nets in the well-known model of exact learning with equivalence and membership queries. The goal is to identify a preference ordering wi...
150
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COMGEO
2010
ACM
15 years 6 months ago
2010
ACM
We present the IteratedTverberg algorithm, the first deterministic algorithm for computing an approximate centerpoint of a set S Rd with running time subexponential in d. The alg...
134
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CORR
2010
Springer
15 years 6 months ago
2010
Springer
In interference alignment, users sharing a wireless channel are each able to achieve data rates of up to half of the non-interfering channel capacity, no matter the number of users...
175
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CORR
2010
Springer
15 years 6 months ago
2010
Springer
In this paper, a two-hop relay assisted cooperative Orthogonal Space-Time Block Codes (OSTBC) transmission scheme is considered for the downlink communication of a cellular system,...
140
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CORR
2010
Springer
15 years 6 months ago
2010
Springer
This paper is the second part of a series of two papers dealing with bulking: a way to define quasi-order on cellular automata by comparing space-time diagrams up to rescaling. In...