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141
Voted
SIAMIS
2010
14 years 10 months ago
2010
Image restoration problems are often converted into large-scale, nonsmooth and nonconvex optimization problems. Most existing minimization methods are not efficient for solving su...
156
Voted
TSP
2010
14 years 10 months ago
2010
In this paper, a practical approach for detecting packet-based orthogonal frequency division multiplexing (OFDM) signals in the presence of phase noise is presented. An OFDM packe...
230
Voted
ICDE
2008
IEEE
16 years 5 months ago
2008
IEEE
Abstract-- We present a replication-based approach that realizes both fast and highly-available stream processing over wide area networks. In our approach, multiple operator replic...
220
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ICDE
2004
IEEE
16 years 5 months ago
2004
IEEE
Data cube computation and representation are prohibitively expensive in terms of time and space. Prior work has focused on either reducing the computation time or condensing the r...
208
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ICDE
1997
IEEE
16 years 5 months ago
1997
IEEE
We propose a data model and a few algebraic operations that provide semantic foundation to multidimensional databases. The distinguishing feature of the proposed model is the symm...