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ICML
2007
IEEE
15 years 10 months ago
Dirichlet aggregation: unsupervised learning towards an optimal metric for proportional data
Proportional data (normalized histograms) have been frequently occurring in various areas, and they could be mathematically abstracted as points residing in a geometric simplex. A...
Hua-Yan Wang, Hongbin Zha, Hong Qin
STOC
1996
ACM
118views Algorithms» more  STOC 1996»
15 years 1 months ago
Towards an Analysis of Local Optimization Algorithms
We introduce a variant of Aldous and Vazirani's \Go with the winners" algorithm that can be used for search graphs that are not trees. We analyze the algorithm in terms ...
Tassos Dimitriou, Russell Impagliazzo
HIS
2009
14 years 7 months ago
On Some Properties of the lbest Topology in Particle Swarm Optimization
: Particle Swarm Optimization (PSO) is arguably one of the most popular nature- inspired algorithms for real parameter optimization at present. The existing theoretical research on...
Sayan Ghosh, Debarati Kundu, Kaushik Suresh, Swaga...
CIVR
2007
Springer
195views Image Analysis» more  CIVR 2007»
15 years 3 months ago
Towards optimal bag-of-features for object categorization and semantic video retrieval
Bag-of-features (BoF) deriving from local keypoints has recently appeared promising for object and scene classification. Whether BoF can naturally survive the challenges such as ...
Yu-Gang Jiang, Chong-Wah Ngo, Jun Yang 0003
ATAL
2004
Springer
15 years 3 months ago
Degree of Local Cooperation and Its Implication on Global Utility
In a cooperative multi-agent system that is situated in an evolving environment, agents need to dynamically adjust their negotiation attitudes towards different agents in order to...
Jiaying Shen, Xiaoqin Zhang, Victor R. Lesser