16093 search results - page 3023 / 3219 » On the optimality of the neighbor-joining algorithm |
195
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CORR
2008
Springer
15 years 6 months ago
2008
Springer
The cooperative automatic repeat request (C-ARQ) is a link layer relaying protocol which exploits the spatial diversity and allows the relay node to retransmit the source data pac...
202
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DATAMINE
2010
15 years 6 months ago
2010
We address the combinatorial optimization problem of finding the most influential nodes on a large-scale social network for two widely-used fundamental stochastic diffusion models...
177
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CORR
2008
Springer
15 years 6 months ago
2008
Springer
In this work, we present a new method for generating a threshold structure. This kind of structure can be advantageously used in various halftoning algorithms such as clustered-do...
199
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CSDA
2008
15 years 6 months ago
2008
Non-negative Matrix Factorization (NMF) and Probabilistic Latent Semantic Indexing (PLSI) have been successfully applied to document clustering recently. In this paper, we show th...
146
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EJC
2010
15 years 6 months ago
2010
Abstract. We prove that the combinatorial distance between any two reduced expressions of a given permutation of {1, ..., n} in terms of transpositions lies in O(n4), a sharp bound...