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SIGMETRICS
2011
ACM
140views Hardware» more  SIGMETRICS 2011»
14 years 20 days ago
On the stability and optimality of universal swarms
Recent work on BitTorrent swarms has demonstrated that a bandwidth bottleneck at the seed can lead to the underutilization of the aggregate swarm capacity. Bandwidth underutilizat...
Xia Zhou, Stratis Ioannidis, Laurent Massouli&eacu...
ICDCS
2012
IEEE
13 years 7 days ago
Tiresias: Online Anomaly Detection for Hierarchical Operational Network Data
Operational network data, management data such as customer care call logs and equipment system logs, is a very important source of information for network operators to detect prob...
Chi-Yao Hong, Matthew Caesar, Nick G. Duffield, Ji...
TKDE
2012
270views Formal Methods» more  TKDE 2012»
13 years 7 days ago
Low-Rank Kernel Matrix Factorization for Large-Scale Evolutionary Clustering
—Traditional clustering techniques are inapplicable to problems where the relationships between data points evolve over time. Not only is it important for the clustering algorith...
Lijun Wang, Manjeet Rege, Ming Dong, Yongsheng Din...
GECCO
2008
Springer
182views Optimization» more  GECCO 2008»
14 years 11 months ago
Scaling ant colony optimization with hierarchical reinforcement learning partitioning
This paper merges hierarchical reinforcement learning (HRL) with ant colony optimization (ACO) to produce a HRL ACO algorithm capable of generating solutions for large domains. Th...
Erik J. Dries, Gilbert L. Peterson
FIMH
2003
Springer
15 years 3 months ago
A Levelset Based Method for Segmenting the Heart in 3D+T Gated SPECT Images
Keywords Levelset methods were introduced in medical images segmentation by Malladi et al in 1995. In this paper, we propose several improvements of the original method to speed u...
Arnaud Charnoz, Diane Lingrand, Johan Montagnat