Mining Keywords from Short Text Based on LDA-Based Hierarchical Semantic Graph Model.
Wei ChenZhengtao YuYantuan XianZhenhan WangYonghua WenPublished in: Int. J. Inf. Syst. Serv. Sect. (2020)
Keyphrases
- graph model
- semantic information
- keywords
- graph representation
- visual features
- vector space model
- bipartite graph
- search engine
- semantic similarity
- text mining
- data mining
- wordnet
- clustering method
- frequent patterns
- knowledge discovery
- similarity measure
- itemsets
- language model
- graph structure
- high level
- graph databases
- semantic web
- text documents
- association rules
- weighted graph
- web pages
- textual descriptions
- sparql queries