SODA
2012
ACM
12 years 2 months ago
2012
ACM
We resolve the problem of small-space approximate selection in random-order streams. Specifically, we present an algorithm that reads the n elements of a set in random order and ...
CORR
2012
Springer
12 years 7 months ago
2012
Springer
We develop a new method for proving explicit approximation lower bounds for TSP problems with bounded metrics improving on the best up to now known bounds. They almost match the b...
ICASSP
2011
IEEE
13 years 3 months ago
2011
IEEE
The purpose of this paper is to develop parameter transformation strategies that improve the accuracy of the Variational Bayes (VB) approximation. The idea is to find a transform...
CORR
2011
Springer
13 years 3 months ago
2011
Springer
We present an approximation scheme for optimizing certain Quadratic Integer Programming problems with positive semidefinite objective functions and global linear constraints. Thi...
TSMC
2010
13 years 6 months ago
2010
The original rough-set model is primarily concerned with the approximations of sets described by a single equivalence relation on a given universe. With granular computing point of...
TON
2010
13 years 6 months ago
2010
In this paper, we consider the classical problem of link scheduling in wireless networks under an accurate interference model, in which correct packet reception at a receiver node ...
TCS
2010
13 years 6 months ago
2010
Markovian process algebras, such as PEPA and stochastic -calculus, bring a powerful compositional approach to the performance modelling of complex systems. However, the models gen...
TASLP
2010
13 years 6 months ago
2010
Minimum phone error (MPE) acoustic parameter estimation involves calculation of edit distances (errors) between correct and incorrect hypotheses. In the context of large vocabulary...
SIAMNUM
2010
13 years 6 months ago
2010
The purpose of this study is to construct a high-order interpolation scheme for arbitrary scattered datasets. The resulting function approximation is an interpolation function when...
SIAMMAX
2010
13 years 6 months ago
2010
For the approximation of time-dependent data tensors and of solutions to tensor differential equations by tensors of low Tucker rank, we study a computational approach that can be ...