Sciweavers

3038 search results - page 110 / 608
» High-Speed Function Approximation
Sort
View
144
Voted
KDD
1999
ACM
206views Data Mining» more  KDD 1999»
15 years 6 months ago
Compressed Data Cubes for OLAP Aggregate Query Approximation on Continuous Dimensions
Efficiently answering decision support queries is an important problem. Most of the work in this direction has been in the context of the data cube. Queries are efficiently answer...
Jayavel Shanmugasundaram, Usama M. Fayyad, Paul S....
110
Voted
ICASSP
2008
IEEE
15 years 9 months ago
Sparse reconstruction by separable approximation
Finding sparse approximate solutions to large underdetermined linear systems of equations is a common problem in signal/image processing and statistics. Basis pursuit, the least a...
Stephen J. Wright, Robert D. Nowak, Mário A...
142
Voted
TNN
2010
148views Management» more  TNN 2010»
14 years 9 months ago
Generalized low-rank approximations of matrices revisited
Compared to Singular Value Decomposition (SVD), Generalized Low Rank Approximations of Matrices (GLRAM) can consume less computation time, obtain higher compression ratio, and yiel...
Jun Liu, Songcan Chen, Zhi-Hua Zhou, Xiaoyang Tan
132
Voted
APPROX
2004
Springer
116views Algorithms» more  APPROX 2004»
15 years 8 months ago
Randomized Approximation Algorithms for Set Multicover Problems with Applications to Reverse Engineering of Protein and Gene Net
In this paper we investigate the computational complexity of a combinatorial problem that arises in the reverse engineering of protein and gene networks. Our contributions are as ...
Piotr Berman, Bhaskar DasGupta, Eduardo D. Sontag
IJNSEC
2006
81views more  IJNSEC 2006»
15 years 2 months ago
Small Size Hashes with Enhanced Security
This paper contains techniques for enhancing the strength of any cryptographic hash function. For an "ideal", traditional hash function with an m-bit result, the complex...
Lars R. Knudsen