Document keyword extraction based on semantic hierarchical graph model.
Tingting ZhangBaozhen LeeQinghua ZhuXi HanKe ChenPublished in: Scientometrics (2023)
Keyphrases
- graph model
- keyword extraction
- keywords
- text retrieval
- word co occurrence
- bipartite graph
- vector space model
- clustering method
- semantic information
- weighted graph
- text summarization
- language model
- data objects
- graph structure
- artificial intelligence
- document retrieval
- semi supervised
- natural language
- training data
- similarity measure