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CSCW
2006
ACM
16 years 6 days ago
A face(book) in the crowd: social Searching vs. social browsing
Large numbers of college students have become avid Facebook users in a short period of time. In this paper, we explore whether these students are using Facebook to find new people...
Cliff Lampe, Nicole Ellison, Charles Steinfield
ICIA
2007
15 years 8 months ago
An Intelligent Discussion-Bot for Guiding Student Interactions in Threaded Discussions
Although there are high expectations for collaborative discussion and on-line learning, existing systems for on-line discussion and chat facilities are not fully effective in prom...
Jihie Kim, Erin Shaw, Grace Chern, Donghui Feng
COLT
2008
Springer
15 years 8 months ago
Regret Bounds for Sleeping Experts and Bandits
We study on-line decision problems where the set of actions that are available to the decision algorithm vary over time. With a few notable exceptions, such problems remained larg...
Robert D. Kleinberg, Alexandru Niculescu-Mizil, Yo...
ALT
2010
Springer
15 years 7 months ago
A Regularization Approach to Metrical Task Systems
We address the problem of constructing randomized online algorithms for the Metrical Task Systems (MTS) problem on a metric against an oblivious adversary. Restricting our attenti...
Jacob Abernethy, Peter L. Bartlett, Niv Buchbinder...
WSC
2004
15 years 7 months ago
Adaptive Wavelet Neural Network for Prediction of Hourly NOx and NO2 Concentrations
Adaptive neural network is a powerful tool for prediction of air pollution abatement scenarios. But it is often difficult to avoid overfit during the training of adaptive neural n...
Zhiguo Zhang, Ye San