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JSCIC
2010
102views more  JSCIC 2010»
12 years 11 months ago
Hierarchical Matrices in Computations of Electron Dynamics
We discuss the approximation of the meanfield terms appearing in computations of the multi-configuration time-dependent Hartree
Othmar Koch, Christopher Ede, Gerald Jordan, Armin...
ALGORITHMICA
2010
104views more  ALGORITHMICA 2010»
13 years 4 months ago
Fixed-Parameter Approximation: Conceptual Framework and Approximability Results
The notion of fixed-parameter approximation is introduced to investigate the approximability of optimization problems within the framework of fixed-parameter computation. This work...
Liming Cai, Xiuzhen Huang
DMIN
2008
147views Data Mining» more  DMIN 2008»
13 years 5 months ago
Approximate Computation of Object Distances by Locality-Sensitive Hashing
We propose an approximate computation technique for inter-object distances for binary data sets. Our approach is based on the locality sensitive hashing, scales up with the number ...
Selim Mimaroglu, Dan A. Simovici
RSCTC
2004
Springer
144views Fuzzy Logic» more  RSCTC 2004»
13 years 9 months ago
Approximation Spaces and Information Granulation
Abstract. In this paper, we discuss approximation spaces in a granular computing framework. Such approximation spaces generalise the approaches to concept approximation existing in...
Andrzej Skowron, Roman W. Swiniarski, Piotr Synak
ICDE
2002
IEEE
126views Database» more  ICDE 2002»
14 years 5 months ago
Fast Mining of Massive Tabular Data via Approximate Distance Computations
Graham Cormode, Piotr Indyk, Nick Koudas, S. Muthu...