Open domain real-time question answering based on asynchronous multiperspective context-driven retrieval and neural paraphrasing.
Vivek V. DatlaTilak Raj AroraJoey LiuViraj AdduruSadid A. HasanKathy LeeAshequl QadirYuan LingAaditya PrakashOladimeji FarriPublished in: TREC (2017)
Keyphrases
- question answering
- open domain
- passage retrieval
- information retrieval
- question answering systems
- information extraction
- natural language processing
- natural language
- answer extraction
- named entities
- cross language
- natural language questions
- qa clef
- test collection
- retrieval model
- free text
- document retrieval
- retrieval systems
- information retrieval systems
- web search