Hierarchical Topic Mining via Joint Spherical Tree and Text Embedding.

Yu Meng Yunyi Zhang Jiaxin Huang Yu Zhang Chao Zhang Jiawei Han

Published in: KDD (2020)

Keyphrases

text mining
binary tree
hierarchical tree
hierarchical structure
topic segmentation
text streams
document content
tree structure
topic models
document set

web news
scientific papers
topic hierarchy
knowledge discovery
text corpora
frequent subtrees
text retrieval
latent dirichlet allocation
information retrieval
web mining

data mining techniques
news articles
automatic summarization
data mining
three dimensional
tree mining
itemsets
internal nodes
sequential patterns

mining algorithm
expert finding
web documents
text classification
frequent patterns
news stories
natural language processing
keywords
database