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» Some observations on bitTorrent performance
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ECCV
2010
Springer
14 years 2 months ago
Modeling and Analysis of Dynamic Behaviors of Web Image Collections
Abstract. Can we model the temporal evolution of topics in Web image collections? If so, can we exploit the understanding of dynamics to solve novel visual problems or improve reco...
ESORICS
2006
Springer
14 years 23 days ago
Privacy-Preserving Queries on Encrypted Data
Data confidentiality is a major concern in database systems. Encryption is a useful tool for protecting the confidentiality of sensitive data. However, when data is encrypted, perf...
Zhiqiang Yang, Sheng Zhong, Rebecca N. Wright
DAMON
2008
Springer
13 years 11 months ago
Critical sections: re-emerging scalability concerns for database storage engines
Critical sections in database storage engines impact performance and scalability more as the number of hardware contexts per chip continues to grow exponentially. With enough thre...
Ryan Johnson, Ippokratis Pandis, Anastasia Ailamak...
NIPS
2001
13 years 10 months ago
Variance Reduction Techniques for Gradient Estimates in Reinforcement Learning
Policy gradient methods for reinforcement learning avoid some of the undesirable properties of the value function approaches, such as policy degradation (Baxter and Bartlett, 2001...
Evan Greensmith, Peter L. Bartlett, Jonathan Baxte...
ATAL
2010
Springer
13 years 10 months ago
Point-based policy generation for decentralized POMDPs
Memory-bounded techniques have shown great promise in solving complex multi-agent planning problems modeled as DEC-POMDPs. Much of the performance gains can be attributed to pruni...
Feng Wu, Shlomo Zilberstein, Xiaoping Chen