Hierarchical Topic Mining via Joint Spherical Tree and Text Embedding.
Yu MengYunyi ZhangJiaxin HuangYu ZhangChao ZhangJiawei HanPublished in: CoRR (2020)
Keyphrases
- text mining
- binary tree
- hierarchical structure
- topic segmentation
- text streams
- hierarchical tree
- document content
- topic models
- tree structure
- mining algorithm
- text documents
- information retrieval
- tree mining
- news stories
- text corpora
- web mining
- frequent subtrees
- knowledge discovery
- text retrieval
- web news
- automatic summarization
- expert finding
- data mining
- latent dirichlet allocation
- database
- keywords
- vector space
- index structure
- topic hierarchy
- topic modeling
- natural language processing
- data mining techniques
- scientific papers
- concept space
- document level
- textual content
- news articles
- data hiding
- itemsets
- pattern mining
- three dimensional