Keyphrases
- keyphrases
- keyphrase extraction
- automatic keyphrase extraction
- domain specific
- text documents
- document retrieval
- keywords
- news articles
- semantic relations
- information retrieval
- document collections
- wikipedia articles
- document set
- web documents
- text mining
- digital libraries
- news stories
- vector space model
- automatically extracting
- probabilistic model
- user generated content
- document representation
- query expansion
- document clustering
- information extraction
- text categorization