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SBP
2011
Springer
13 years 3 months ago
Tracking Communities in Dynamic Social Networks
The study of communities in social networks has attracted considerable interest from many disciplines. Most studies have focused on static networks, and in doing so, have neglected...
Kevin S. Xu, Mark Kliger, Alfred O. Hero
SBP
2011
Springer
13 years 3 months ago
Identifying Health-Related Topics on Twitter - An Exploration of Tobacco-Related Tweets as a Test Topic
Public health-related topics are difficult to identify in large conversational datasets like Twitter. This study examines how to model and discover public health topics and themes ...
Kyle W. Prier, Matthew S. Smith, Christophe G. Gir...
SBP
2011
Springer
13 years 3 months ago
Temporal Visualization of Social Network Dynamics: Prototypes for Nation of Neighbors
Information visualization is a powerful tool for analyzing the dynamic nature of social communities. Using Nation of Neighbors community network as a testbed, we propose five prin...
Jae-wook Ahn, Meirav Taieb-Maimon, Awalin Sopan, C...
SBP
2011
Springer
13 years 3 months ago
A Longitudinal View of the Relationship Between Social Marginalization and Obesity
We use 3 Waves of the Add Health data collected between 1994 and 2002 to conduct a longitudinal study of the relationship between social marginalization and the weight status of ad...
Andrea Apolloni, Achla Marathe, Zhengzheng Pan
SADM
2011
13 years 3 months ago
Random survival forests for high-dimensional data
: Minimal depth is a dimensionless order statistic that measures the predictiveness of a variable in a survival tree. It can be used to select variables in high-dimensional problem...
Hemant Ishwaran, Udaya B. Kogalur, Xi Chen, Andy J...
SADM
2011
13 years 3 months ago
Trellis display for modeling data from designed experiments
Abstract: Visualizing data by graphing a response against certain factors, and conditioning on other factors, has arisen independently in many contexts. One is the interaction plot...
Montserrat Fuentes, Bowei Xi, William S. Cleveland
SADM
2011
13 years 3 months ago
Bayesian cluster ensembles
Hongjun Wang, Hanhuai Shan, Arindam Banerjee
SAC
2011
ACM
13 years 3 months ago
Slice sampling mixture models
We propose a more efficient version of the slice sampler for Dirichlet process mixture models described by Walker (2007). This sampler allows the fitting of infinite mixture mod...
Maria Kalli, Jim E. Griffin, Stephen G. Walker