Hierarchical Topic Mining via Joint Spherical Tree and Text Embedding.
Yu MengYunyi ZhangJiaxin HuangYu ZhangChao ZhangJiawei HanPublished 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