PAT-tree-based adaptive keyphrase extraction for intelligent Chinese information retrieval.
Lee-Feng ChienPublished in: Inf. Process. Manag. (1999)
Keyphrases
- keyphrase extraction
- information retrieval
- keyphrases
- automatic keyphrase extraction
- learning to rank
- document retrieval
- information retrieval systems
- information extraction
- domain specific
- text mining
- vector space model
- general purpose
- test collection
- n gram
- document set
- retrieval model
- document collections
- query expansion
- language model
- search engine