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» On the Autoreducibility of Random Sequences
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SODA
2008
ACM
97views Algorithms» more  SODA 2008»
13 years 9 months ago
Stochastic analyses for online combinatorial optimization problems
In this paper, we study online algorithms when the input is not chosen adversarially, but consists of draws from some given probability distribution. While this model has been stu...
Naveen Garg, Anupam Gupta, Stefano Leonardi, Piotr...
UAI
2008
13 years 9 months ago
Feature Selection via Block-Regularized Regression
Identifying co-varying causal elements in very high dimensional feature space with internal structures, e.g., a space with as many as millions of linearly ordered features, as one...
Seyoung Kim, Eric P. Xing
BNCOD
2003
104views Database» more  BNCOD 2003»
13 years 9 months ago
External Sorting with On-the-Fly Compression
Evaluating a query can involve manipulation of large volumes of temporary data. When the volume of data becomes too great, activities such as joins and sorting must use disk, and ...
John Yiannis, Justin Zobel
SPIESR
2001
105views Database» more  SPIESR 2001»
13 years 9 months ago
Video summarization using motion descriptors
We describe a technique for video summarization that uses motion descriptors computed in the compressed domain to speed up conventional color based video summarization technique. ...
Ajay Divakaran, Kadir A. Peker, Huifang Sun
USS
2004
13 years 9 months ago
On Gray-Box Program Tracking for Anomaly Detection
Many host-based anomaly detection systems monitor a process ostensibly running a known program by observing the system calls the process makes. Numerous improvements to the precis...
Debin Gao, Michael K. Reiter, Dawn Xiaodong Song