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» Online stochastic optimization under time constraints
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CVPR
2011
IEEE
13 years 6 months ago
Online Detection of Unusual Events in Videos via Dynamic Sparse Coding
Real-time unusual event detection in video stream has been a difficult challenge due to the lack of sufficient training information, volatility of the definitions for both norm...
Bin Zhao, Li Fei-Fei, Eric Xing
IM
2003
14 years 5 days ago
Generic On-Line Discovery of Quantitative Models for Service Level Management
: Quantitative models are needed for a variety of management tasks, including (a) identification of critical variables to use for health monitoring, (b) anticipating service level...
Yixin Diao, Frank Eskesen, Steve Froehlich, Joseph...
STOC
2012
ACM
217views Algorithms» more  STOC 2012»
12 years 1 months ago
Tight lower bounds for the online labeling problem
We consider the file maintenance problem (also called the online labeling problem) in which n integer items from the set {1, . . . , r} are to be stored in an array of size m ≥...
Jan Bulánek, Michal Koucký, Michael ...
CORR
2010
Springer
171views Education» more  CORR 2010»
13 years 5 months ago
Online Learning in Opportunistic Spectrum Access: A Restless Bandit Approach
We consider an opportunistic spectrum access (OSA) problem where the time-varying condition of each channel (e.g., as a result of random fading or certain primary users' activ...
Cem Tekin, Mingyan Liu
CISS
2010
IEEE
13 years 2 months ago
Transmission completion time minimization in an energy harvesting system
Abstract—We consider the transmission completion time minimization problem in a single-user energy harvesting wireless communication system. In this system, both the data packets...
Jing Yang, Sennur Ulukus