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» The Structure of Factor Oracles
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ICWS
2009
IEEE
16 years 3 months ago
Towards Probabilistic Estimation of Quality of Online Services
Accurate estimation of quality of online services is both an important and difficult problem, since a service has many interdependent quality attributes influenced by several co...
Le-Hung Vu, Karl Aberer
GECCO
2007
Springer
154views Optimization» more  GECCO 2007»
16 years 17 days ago
Cross entropy and adaptive variance scaling in continuous EDA
This paper deals with the adaptive variance scaling issue in continuous Estimation of Distribution Algorithms. A phenomenon is discovered that current adaptive variance scaling me...
Yunpeng Cai, Xiaomin Sun, Hua Xu, Peifa Jia
ISCAS
2003
IEEE
97views Hardware» more  ISCAS 2003»
15 years 11 months ago
Watermark re-synchronization using log-polar mapping of image autocorrelation
Many watermarking algorithms embed the watermark into the image as contiguous non-overlapping tiles. This tiling structure forms an implicit synchronization template that can be r...
Adnan M. Alattar, Joel Meyer
EUROMICRO
2009
IEEE
15 years 10 months ago
Synthetic Metrics for Evaluating Runtime Quality of Software Architectures with Complex Tradeoffs
Runtime quality of software, such as availability and throughput, depends on architectural factors and execution environment characteristics (e.g. CPU speed, network latency). Alth...
Anakreon Mentis, Panagiotis Katsaros, Lefteris Ang...
LATIN
2010
Springer
16 years 27 days ago
The I/O Complexity of Sparse Matrix Dense Matrix Multiplication
We consider the multiplication of a sparse N × N matrix A with a dense N × N matrix B in the I/O model. We determine the worst-case non-uniform complexity of this task up to a c...
Gero Greiner, Riko Jacob