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ICDE
2008
IEEE
161views Database» more  ICDE 2008»
16 years 8 months ago
Trajectory Outlier Detection: A Partition-and-Detect Framework
Outlier detection has been a popular data mining task. However, there is a lack of serious study on outlier detection for trajectory data. Even worse, an existing trajectory outlie...
Jae-Gil Lee, Jiawei Han, Xiaolei Li
ICML
2009
IEEE
16 years 7 months ago
Prototype vector machine for large scale semi-supervised learning
Practical data mining rarely falls exactly into the supervised learning scenario. Rather, the growing amount of unlabeled data poses a big challenge to large-scale semi-supervised...
Kai Zhang, James T. Kwok, Bahram Parvin
WWW
2009
ACM
16 years 7 months ago
Mapping the world's photos
We investigate how to organize a large collection of geotagged photos, working with a dataset of about 35 million images collected from Flickr. Our approach combines content analy...
David J. Crandall, Lars Backstrom, Daniel P. Hutte...
CHI
2004
ACM
16 years 6 months ago
Anthropomorphic visualization: a new approach for depicting participants in online spaces
Anthropomorphic visualization is a new approach to presenting historical information about participants in online spaces using the human form as the basis for the visualization. V...
Ethan Perry, Judith S. Donath
SIGMOD
2003
ACM
121views Database» more  SIGMOD 2003»
16 years 6 months ago
An environmental sensor network to determine drinking water quality and security
Finding patterns in large, real, spatio/temporal data continues to attract high interest (e.g., sales of products over space and time, patterns in mobile phone users; sensor netwo...
Anastassia Ailamaki, Christos Faloutsos, Paul S. F...
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