Topic hypergraph: hierarchical visualization of thematic structures in long documents.
Guizhen WangChaokai WenBinghui YanCong XieRonghua LiangWei ChenPublished in: Sci. China Inf. Sci. (2013)
Keyphrases
- topic hierarchy
- document content
- expert finding
- hierarchical structures
- topic modeling
- multi document summarization
- topic segmentation
- document set
- topic specific
- automatically created
- document collections
- structural analysis
- information retrieval
- data analysis
- textual content
- document level
- document classification
- news stories
- text documents
- xml documents
- higher order
- hierarchical structure
- topic detection
- document retrieval
- pairwise
- topic models
- keywords
- tag clouds
- structured documents
- concept space
- word frequency
- related documents
- information retrieval systems
- web documents
- topic discovery
- self organizing maps
- relevant documents
- concept hierarchy
- text data
- user interests
- document clustering
- narrative structure
- statistical topic models
- hypergraph model
- focused crawler
- focused crawling
- latent topics
- visualization tool
- news articles
- retrieval systems
- text categorization
- digital libraries
- metadata