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Hot Topic Detection Based on a Refined TF-IDF Algorithm.
Zhiliang Zhu
Jie Liang
Deyang Li
Hai Yu
Guoqi Liu
Published in:
IEEE Access (2019)
Keyphrases
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learning algorithm
k means
expectation maximization
tf idf
similarity measure
vector space model
information retrieval
data analysis
clustering method
weighting scheme