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CVPR
2009
IEEE
16 years 1 months ago
Trajectory parsing by cluster sampling in spatio-temporal graph
The objective of this paper is to parse object trajectories in surveillance video against occlusion, interruption, and background clutter. We present a spatio-temporal graph (ST-G...
Xiaobai Liu, Liang Lin, Song Chun Zhu, Hai Jin
PLDI
2009
ACM
16 years 1 months ago
GC assertions: using the garbage collector to check heap properties
This paper introduces GC assertions, a system interface that programmers can use to check for errors, such as data structure invariant violations, and to diagnose performance prob...
Edward Aftandilian, Samuel Z. Guyer
WSDM
2009
ACM
172views Data Mining» more  WSDM 2009»
16 years 1 months ago
Clustering the tagged web
Automatically clustering web pages into semantic groups promises improved search and browsing on the web. In this paper, we demonstrate how user-generated tags from largescale soc...
Daniel Ramage, Paul Heymann, Christopher D. Mannin...
WWW
2009
ACM
16 years 1 months ago
Threshold selection for web-page classification with highly skewed class distribution
We propose a novel cost-efficient approach to threshold selection for binary web-page classification problems with imbalanced class distributions. In many binary-classification ta...
Xiaofeng He, Lei Duan, Yiping Zhou, Byron Dom
CSE
2009
IEEE
16 years 1 months ago
How Did You Get to Know That? A Traceable Word-of-Mouth Algorithm
Word-of-mouth communication has been shown to play a key role in a variety of environments such as viral marketing and virus spreading. A family of algorithms, generally known as ...
Manuel Cebrián, Enrique Frías-Mart&i...