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ECML
2007
Springer
14 years 2 months ago
Weighted Kernel Regression for Predicting Changing Dependencies
Abstract. Consider the online regression problem where the dependence of the outcome yt on the signal xt changes with time. Standard regression techniques, like Ridge Regression, d...
Steven Busuttil, Yuri Kalnishkan
CSCW
2006
ACM
14 years 2 months 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
13 years 10 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
13 years 10 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
13 years 9 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...