Using the Hammer only on Nails: A Hybrid Method for Representation-Based Evidence Retrieval for Question Answering.
Zhengzhong LiangYiyun ZhaoMihai SurdeanuPublished in: ECIR (1) (2021)
Keyphrases
- question answering
- hybrid method
- passage retrieval
- information retrieval
- sentence retrieval
- question answering systems
- question classification
- natural language
- named entities
- natural language processing
- syntactic information
- qa clef
- support vector machine
- document retrieval
- text retrieval
- hybrid algorithm
- cross language
- natural language questions
- answer extraction
- information extraction
- speech transcripts
- answering questions
- retrieval model
- information retrieval systems
- audio visual
- test collection
- query expansion
- language model
- relevance feedback
- image retrieval
- artificial intelligence