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Political Issue Extraction Model: A Novel Hierarchical Topic Model That Uses Tweets By Political And Non-Political Authors.
Aditya Joshi
Pushpak Bhattacharyya
Mark James Carman
Published in:
WASSA@NAACL-HLT (2016)
Keyphrases
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social media
probabilistic model
topic models
pitman yor process
prior knowledge
information extraction
co occurrence
em algorithm
generative model
parameter estimation
named entities
maximum entropy
probabilistic latent semantic analysis
hierarchical bayesian model
latent topic model
author topic model