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SIGMOD
2004
ACM
14 years 8 months ago
2004
ACM
We present the Priority R-tree, or PR-tree, which is the first R-tree variant that always answers a window query using O((N/B)1-1/d + T/B) I/Os, where N is the number of ddimensio...
ICASSP
2009
IEEE
14 years 3 months ago
2009
IEEE
When sampling signals below the Nyquist rate, efficient and accurate reconstruction is nevertheless possible, whenever the sampling system is well behaved and the signal is well ...
ISPD
1998
ACM
14 years 28 days ago
1998
ACM
In this paper, we formulate a new class of optimization problem, named the general CH-posynomial program, and reveal the general dominance property. We propose an efcient algorith...
BIBE
2004
IEEE
14 years 13 days ago
2004
IEEE
Biologists highly rely on good algorithms for finding homologous regions in bimolecular sequences. An advanced homology search program named PatternHunter has recently been develo...
ICASSP
2011
IEEE
13 years 12 days ago
2011
IEEE
This paper presents an efficient implementation of a robust adaptive beamforming algorithm based on convex optimization for applications in the processing-constrained environment...