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» Querying Continuous Time Sequences
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JUCS
2007
122views more  JUCS 2007»
15 years 12 days ago
Efficient Access Methods for Temporal Interval Queries of Video Metadata
: Indexing video content is one of the most important problems in video databases. In this paper we present linear time and space algorithms for handling video metadata that repres...
Spyros Sioutas, Kostas Tsichlas, Bill Vassiliadis,...
FORMATS
2010
Springer
14 years 10 months ago
Combining Symbolic Representations for Solving Timed Games
We present a general approach to combine symbolic state space representations for the discrete and continuous parts in the synthesis of winning strategies for timed reachability ga...
Rüdiger Ehlers, Robert Mattmüller, Hans-...
110
Voted
EDBT
2009
ACM
131views Database» more  EDBT 2009»
15 years 3 months ago
Sample synopses for approximate answering of group-by queries
With the amount of data in current data warehouse databases growing steadily, random sampling is continuously gaining in importance. In particular, interactive analyses of large d...
Philipp Rösch, Wolfgang Lehner
IS
2007
15 years 13 days ago
Browsing large online data tables using generalized query previews
Companies, government agencies, and other organizations are making their data available to the world over the Internet. They often use large online relational tables for this purp...
Egemen Tanin, Ben Shneiderman, Hairuo Xie
CVPR
1999
IEEE
1071views Computer Vision» more  CVPR 1999»
16 years 2 months ago
Adaptive Background Mixture Models for Real-Time Tracking
A common method for real-time segmentation of moving regions in image sequences involves "background subtraction," or thresholding the error between an estimate of the i...
Chris Stauffer, W. Eric L. Grimson