PullNet: Open Domain Question Answering with Iterative Retrieval on Knowledge Bases and Text.
Haitian SunTania Bedrax-WeissWilliam W. CohenPublished in: EMNLP/IJCNLP (1) (2019)
Keyphrases
- open domain question answering
- knowledge base
- information retrieval
- text retrieval
- question answering
- semantic content
- retrieval model
- test collection
- semantic network
- information retrieval systems
- query expansion
- answer extraction
- semantic information
- document retrieval
- web documents
- keywords
- retrieval systems
- text mining
- knowledge representation
- image retrieval
- text categorization
- relevance feedback
- semantic representation
- sentence level