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ACMICEC
2007
ACM
107views ECommerce» more  ACMICEC 2007»
15 years 10 months ago
A family of growth models for representing the price process in online auctions
Bids during an online auction arrive at unequally-spaced discrete time points. Our goal is to capture the entire continuous price-evolution function by representing it as a functi...
Valerie Hyde, Wolfgang Jank, Galit Shmueli
155
Voted
ASSETS
2005
ACM
15 years 8 months ago
Visualizing non-speech sounds for the deaf
Sounds constantly occur around us, keeping us aware of our surroundings. People who are deaf have difficulty maintaining an awareness of these ambient sounds. We present an invest...
Tara Matthews, Janette Fong, Jennifer Mankoff
152
Voted
NIPS
2001
15 years 7 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...
APPML
2007
92views more  APPML 2007»
15 years 6 months ago
Topological grammars for data approximation
A method of topological grammars is proposed for multidimensional data approximation. For data with complex topology we define a principal cubic complex of low dimension and give...
Alexander N. Gorban, Neil R. Sumner, Andrei Yu. Zi...
DATAMINE
2010
189views more  DATAMINE 2010»
15 years 6 months ago
A game-theoretic framework to identify overlapping communities in social networks
In this paper, we introduce a game-theoretic framework to address the community detection problem based on the structures of social networks. We formulate the dynamics of community...
Wei Chen, Zhenming Liu, Xiaorui Sun, Yajun Wang