16257 search results - page 255 / 3252 » D-finiteness: algorithms and applications |
153
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JAIR
2006
15 years 6 months ago
2006
In a peer-to-peer inference system, each peer can reason locally but can also solicit some of its acquaintances, which are peers sharing part of its vocabulary. In this paper, we ...
167
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DAM
2007
15 years 6 months ago
2007
In the partially-ordered knapsack problem (POK) we are given a set N of items and a partial order ≺P on N. Each item has a size and an associated weight. The objective is to pac...
200
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ECCC
2007
15 years 6 months ago
2007
We propose a general cryptographic primitive called lossy trapdoor functions (lossy TDFs), and use it to develop new approaches for constructing several important cryptographic to...
188
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SIAMSC
2008
15 years 6 months ago
2008
In this study, nonnegative matrix factorization is recast as the problem of approximating a polytope on the probability simplex by another polytope with fewer facets. Working on th...
187
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TSP
2008
15 years 6 months ago
2008
Sparse signal representations and approximations from overcomplete dictionaries have become an invaluable tool recently. In this paper, we develop a new, heuristic, graph-structure...