4127 search results - page 321 / 826 » Evaluation methods for topic models |
193
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DATAMINE
2010
15 years 6 months ago
2010
We address the combinatorial optimization problem of finding the most influential nodes on a large-scale social network for two widely-used fundamental stochastic diffusion models...
162
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ICAI
2007
15 years 7 months ago
2007
Biomolecular networks dynamically respond to stimuli and implement cellular function. Understanding these dynamic changes is the key challenge for cell biologists. As biomolecular...
169
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KDD
2005
ACM
16 years 6 months ago
2005
ACM
We propose a new algorithm for dimensionality reduction and unsupervised text classification. We use mixture models as underlying process of generating corpus and utilize a novel,...
171
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ICDM
2008
IEEE
16 years 17 days ago
2008
IEEE
The goal of sentiment prediction is to automatically identify whether a given piece of text expresses positive or negative opinion towards a topic of interest. One can pose sentim...
137
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SCALESPACE
2007
Springer
16 years 7 days ago
2007
Springer
In this paper, we address the topic of estimating two-frame dense optical flow from the monogenic curvature tensor. The monogenic curvature tensor is a novel image model, from whi...