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129
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TIT
2002
15 years 3 months ago
2002
Abstract--The Lagrangian formulation of variable-rate vector quantization is known to yield useful necessary conditions for quantizer optimality and generalized Lloyd algorithms fo...
121
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TIT
2008
15 years 3 months ago
2008
This paper derives an improved sphere-packing (ISP) bound for finite-length error-correcting codes whose transmission takes place over symmetric memoryless channels, and the codes...
125
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VLSID
2008
IEEE
16 years 4 months ago
2008
IEEE
We present a discrete-time time-domain vector fitting algorithm, called TD-VFz, for rational function macromodeling of port-to-port responses with discrete time-sampled data. The ...
128
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DAM
2008
15 years 4 months ago
2008
We present here a systematic study of general boundary value problems on weighted networks that includes the variational formulation of such problems. In particular, we obtain the...
152
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ICDCS
2009
IEEE
15 years 10 months ago
2009
IEEE
Concurrency control is a core component in optimistic replication systems. To detect concurrent updates, the system associates each replicated object with metadata, such as, versi...