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» Exact Approximations of omega Numbers
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SDM
2009
SIAM
219views Data Mining» more  SDM 2009»
15 years 6 months ago
A Hybrid Data Mining Metaheuristic for the p-Median Problem.
Metaheuristics represent an important class of techniques to solve, approximately, hard combinatorial optimization problems for which the use of exact methods is impractical. In t...
Alexandre Plastino, Erick R. Fonseca, Richard Fuch...
CVPR
2009
IEEE
15 years 4 months ago
Robust shadow and illumination estimation using a mixture model
Illuminant estimation from shadows typically relies on accurate segmentation of the shadows and knowledge of exact 3D geometry, while shadow estimation is difficult in the presen...
Alexandros Panagopoulos, Dimitris Samaras, Nikos P...
WINE
2009
Springer
127views Economy» more  WINE 2009»
15 years 4 months ago
Nash Dynamics in Congestion Games with Similar Resources
We study convergence of ε-Nash dynamics in congestion games when delay functions of all resources are similar. Delay functions are said to be similar if their values are within a...
Anand Bhalgat, Tanmoy Chakraborty, Sanjeev Khanna
VLDB
2004
ACM
180views Database» more  VLDB 2004»
15 years 3 months ago
Bloom Histogram: Path Selectivity Estimation for XML Data with Updates
Cost-based XML query optimization calls for accurate estimation of the selectivity of path expressions. Some other interactive and internet applications can also benefit from suc...
Wei Wang 0011, Haifeng Jiang, Hongjun Lu, Jeffrey ...
SIROCCO
2010
14 years 11 months ago
Traffic Grooming in Star Networks via Matching Techniques
The problem of grooming is central in studies of optical networks. In graph-theoretic terms, it can be viewed as assigning colors to given paths in a graph, so that at most g (the ...
Ignasi Sau, Mordechai Shalom, Shmuel Zaks