740 search results - page 44 / 148 » An approximation ratio for biclustering |
ICASSP
2011
IEEE
14 years 5 months ago
2011
IEEE
This paper presents a family of log-spectral amplitude (LSA) estimators for speech enhancement. Generalized Gamma distributed (GGD) priors are assumed for speech short-time spectr...
SODA
2010
ACM
15 years 11 months ago
2010
ACM
We design and analyze an on-line reordering buffer management algorithm with improved O log k log log k competitive ratio for non-uniform costs, where k is the buffer size. This i...
153
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RTAS
2007
IEEE
15 years 8 months ago
2007
IEEE
Multiprocessor platforms have been widely adopted in both embedded and server systems. In addition to the performance improvement, multiprocessor systems could have the flexibili...
106
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MOBIHOC
2008
ACM
16 years 1 months ago
2008
ACM
Local monitoring is an effective mechanism for the security of wireless sensor networks (WSNs). Existing schemes assume the existence of sufficient number of active nodes to carry...
103
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ICTCS
2003
Springer
15 years 7 months ago
2003
Springer
In this paper, we study the problem of cost constrained fixed job scheduling (CCFJS). In this problem, there are a number of processors, each of which belongs to one of several cla...