Discriminative Information Retrieval for Question Answering Sentence Selection.
Tongfei ChenBenjamin Van DurmePublished in: EACL (2) (2017)
Keyphrases
- question answering
- information retrieval
- syntactic information
- natural language
- sentence retrieval
- text summarization
- semantic roles
- information extraction
- natural language processing
- passage retrieval
- question classification
- test collection
- cross language
- question answering systems
- natural language questions
- relation extraction
- named entities
- retrieval model
- part of speech
- document retrieval
- qa clef
- information retrieval systems
- feature selection
- qa systems
- answer extraction
- information access
- semantic relations
- relevant documents
- document collections
- search engine