Weakly-Supervised Open-Retrieval Conversational Question Answering.
Chen QuLiu YangCen ChenW. Bruce CroftKalpesh KrishnaMohit IyyerPublished in: ECIR (1) (2021)
Keyphrases
- question answering
- weakly supervised
- relation extraction
- named entities
- passage retrieval
- information retrieval
- natural language
- information extraction
- natural language processing
- topic models
- question answering systems
- image database
- query expansion
- image retrieval
- answer extraction
- multi modal
- named entity recognition
- document retrieval
- information retrieval systems
- test collection
- retrieval model
- object class
- semi supervised
- superpixels
- automatic extraction
- language model
- machine learning