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» Streaming Algorithms for Data in Motion
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SSDBM
2007
IEEE
212views Database» more  SSDBM 2007»
14 years 2 months ago
Adaptive-Size Reservoir Sampling over Data Streams
Reservoir sampling is a well-known technique for sequential random sampling over data streams. Conventional reservoir sampling assumes a fixed-size reservoir. There are situation...
Mohammed Al-Kateb, Byung Suk Lee, Xiaoyang Sean Wa...
SIGMOD
2006
ACM
116views Database» more  SIGMOD 2006»
14 years 8 months ago
A geometric approach to monitoring threshold functions over distributed data streams
Monitoring data streams in a distributed system is the focus of much research in recent years. Most of the proposed schemes, however, deal with monitoring simple aggregated values...
Izchak Sharfman, Assaf Schuster, Daniel Keren
ADC
2008
Springer
112views Database» more  ADC 2008»
14 years 2 months ago
Semantics based Buffer Reduction for Queries over XML Data Streams
With respect to current methods for query evaluation over XML data streams, adoption of certain types of buffering techniques is unavoidable. Under lots of circumstances, the buff...
Chi Yang, Chengfei Liu, Jianxin Li, Jeffrey Xu Yu,...
CVPR
2004
IEEE
14 years 10 months ago
Multibody Factorization with Uncertainty and Missing Data Using the EM Algorithm
Multibody factorization algorithms [2, 1, 16] give an elegant and simple solution to the problem of structure from motion even for scenes containing multiple independent motions. ...
Amit Gruber, Yair Weiss
ICIP
2006
IEEE
14 years 9 months ago
Hierarchical Data Structure for Real-Time Background Subtraction
This paper seeks to increase the efficiency of background subtraction algorithms for motion detection. Our method uses a quadtree-base hierarchical framework that samples a small ...
Johnny Park, Amy Tabb, Avinash C. Kak