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Modeling Both Coarse-Grained and Fine-Grained Topics in Massive Text Data.
Weifan Zhang
Hui Zhang
Yuan Zuo
Deqing Wang
Published in:
BigDataService (2015)
Keyphrases
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fine grained
coarse grained
text data
text classification
topic hierarchies
text mining
text documents
structured data
high dimensional
access control
high dimensional data
document collections
keywords
free text
data mining
data sets
topic models
digital libraries
high level
databases