Sentence Topics Based Knowledge Acquisition for Question Answering.
Hyo-Jung OhBo-Hyun YunPublished in: IEICE Trans. Inf. Syst. (2008)
Keyphrases
- question answering
- knowledge acquisition
- syntactic information
- natural language
- sentence retrieval
- text summarization
- information retrieval
- semantic roles
- knowledge representation
- question classification
- natural language processing
- expert systems
- information extraction
- document set
- cross language
- knowledge base
- named entities
- passage retrieval
- qa systems
- relation extraction
- answer extraction
- machine learning
- semantic parsing
- keywords
- parse tree
- qa clef
- linguistic features
- natural language questions
- question answering systems
- noun phrases
- part of speech
- news stories
- test collection
- topic models
- text categorization
- relevance feedback
- artificial intelligence