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121
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CHI
2009
ACM
16 years 4 months ago
Supporting volunteer activities with mobile social software
Many community organizations rely extensively on volunteer work. However, people who wish to help often have difficulties finding the time to volunteer. We are developing mobile s...
Shaun K. Kane, Predrag V. Klasnja
121
Voted
KDD
2009
ACM
180views Data Mining» more  KDD 2009»
16 years 3 months ago
Consensus group stable feature selection
Stability is an important yet under-addressed issue in feature selection from high-dimensional and small sample data. In this paper, we show that stability of feature selection ha...
Steven Loscalzo, Lei Yu, Chris H. Q. Ding
KDD
2008
ACM
192views Data Mining» more  KDD 2008»
16 years 3 months ago
Partial least squares regression for graph mining
Attributed graphs are increasingly more common in many application domains such as chemistry, biology and text processing. A central issue in graph mining is how to collect inform...
Hiroto Saigo, Koji Tsuda, Nicole Krämer
KDD
2007
ACM
167views Data Mining» more  KDD 2007»
16 years 3 months ago
Multiscale topic tomography
Modeling the evolution of topics with time is of great value in automatic summarization and analysis of large document collections. In this work, we propose a new probabilistic gr...
Ramesh Nallapati, Susan Ditmore, John D. Lafferty,...
KDD
2005
ACM
181views Data Mining» more  KDD 2005»
16 years 3 months ago
Evaluating similarity measures: a large-scale study in the orkut social network
Online information services have grown too large for users to navigate without the help of automated tools such as collaborative filtering, which makes recommendations to users ba...
Ellen Spertus, Mehran Sahami, Orkut Buyukkokten