Answer extraction and ranking strategies for definitional question answering using linguistic features and definition terminology.
Kyoung-Soo HanYoung-In SongSang-Bum KimHae-Chang RimPublished in: Inf. Process. Manag. (2007)
Keyphrases
- definitional question answering
- linguistic features
- answer extraction
- question answering
- pattern matching
- named entities
- probabilistic model
- structural features
- text classification
- semantic features
- sentence level
- linguistic knowledge
- feature set
- news stories
- part of speech
- sentiment analysis
- named entity recognition
- cross lingual
- co occurrence
- text mining
- question answering systems
- classification accuracy
- artificial intelligence