A Hierarchical Attention Retrieval Model for Healthcare Question Answering.
Ming ZhuAman AhujaWei WeiChandan K. ReddyPublished in: WWW (2019)
Keyphrases
- question answering
- retrieval model
- passage retrieval
- sentence retrieval
- information retrieval
- document retrieval
- language modeling
- retrieval effectiveness
- test collection
- language model
- information retrieval systems
- vector space model
- text retrieval
- relevance feedback
- retrieval systems
- query expansion
- natural language
- vector space
- user queries
- natural language processing
- information extraction
- question answering systems
- query terms
- tf idf
- qa clef
- cross language
- databases
- document collections
- bayesian networks
- image retrieval
- qa systems
- answer extraction
- database