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» A Guided Monte Carlo Approach to Optimization Problems
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ALMOB
2007
151views more  ALMOB 2007»
14 years 10 months ago
Local sequence alignments statistics: deviations from Gumbel statistics in the rare-event tail
Background: The optimal score for ungapped local alignments of infinitely long random sequences is known to follow a Gumbel extreme value distribution. Less is known about the imp...
Stefan Wolfsheimer, Bernd Burghardt, Alexander K. ...
SIGMOD
2010
ACM
157views Database» more  SIGMOD 2010»
14 years 10 months ago
Workload-aware storage layout for database systems
The performance of a database system depends strongly on the layout of database objects, such as indexes or tables, onto the underlying storage devices. A good layout will both ba...
Oguzhan Ozmen, Kenneth Salem, Jiri Schindler, Stev...
PODS
2009
ACM
112views Database» more  PODS 2009»
15 years 10 months ago
Optimal sampling from sliding windows
APPEARED IN ACM PODS-2009. A sliding windows model is an important case of the streaming model, where only the most "recent" elements remain active and the rest are disc...
Vladimir Braverman, Rafail Ostrovsky, Carlo Zaniol...
ICRA
1999
IEEE
146views Robotics» more  ICRA 1999»
15 years 2 months ago
Planning Tracking Motions for an Intelligent Virtual Camera
We consider the problem of automatically generating viewpoint motions for a virtual camera tracking a moving target. Given the target's trajectory, we plan the motion of a ca...
Tsai-Yen Li, Tzong-Hann Yu
WSDM
2012
ACM
301views Data Mining» more  WSDM 2012»
13 years 5 months ago
Learning evolving and emerging topics in social media: a dynamic nmf approach with temporal regularization
As massive repositories of real-time human commentary, social media platforms have arguably evolved far beyond passive facilitation of online social interactions. Rapid analysis o...
Ankan Saha, Vikas Sindhwani