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A Generative Model for Discovering Action-Based Roles and Community Role Compositions on Community Question Answering Platforms.
Chase Geigle
Himel Dev
Hari Sundaram
ChengXiang Zhai
Published in:
ICWSM (2019)
Keyphrases
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generative model
social roles
community question answering
probabilistic model
em algorithm
semi supervised
prior knowledge
topic models
generative and discriminative models
social networks
latent dirichlet allocation
user generated content
feature selection
learned models