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Table 4 Notation and description of the ACT model

From: Analyzing the field of bioinformatics with the multi-faceted topic modeling technique

d

Paper

Nd

Total number of words in paper d

x

Author

Ad

Total number of authors in paper d

w

Word

z

Topic

j

Journal

θ

Author-topic distribution

D

Total number of papers

φ

Topic-journal distribution

A

Total number of authors

ψ

Topic-word distribution

K

Selected number of topics

α,β,γ

Hyper-parameters of Dirichlet distribution