1804 search results - page 41 / 361 » On set systems with a threshold property |
147
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CORR
2010
Springer
15 years 6 months ago
2010
Springer
Finding the sparsest solution for an under-determined linear system of equations D = s is of interest in many applications. This problem is known to be NP-hard. Recent work studie...
118
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VTC
2006
IEEE
16 years 8 days ago
2006
IEEE
— This paper focuses on the modelling of the reverse link of a WCDMA system in a non-homogeneous environment. Multiple traffic spatial and service non-uniformities are considered...
150
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SODA
2004
ACM
15 years 7 months ago
2004
ACM
We study the mixing time of the Glauber dynamics for general spin systems on bounded-degree trees, including the Ising model, the hard-core model (independent sets) and the antife...
198
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ACM
1995
15 years 9 months ago
1995
We study properties of rough sets, that is, approximations to sets of records in a database or, more formally, to subsets of the universe of an information system. A rough set is a...
210
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EUSFLAT
2009
15 years 4 months ago
2009
Besides the problem of searching for effective methods for extracting knowledge from large databases (KDD) there are some additional problems with handling ecological data, namely ...