PullNet: Open Domain Question Answering with Iterative Retrieval on Knowledge Bases and Text.

Haitian Sun Tania Bedrax-Weiss William W. Cohen

Published in: CoRR (2019)

Keyphrases

open domain question answering
information retrieval
text retrieval
knowledge base
semantic content
text mining

question answering
retrieval model
information retrieval systems
semantic network
query expansion
knowledge representation

image retrieval
retrieval systems
document retrieval
expert systems
language model
co occurrence

relevance feedback
text documents
keywords
search engine
web documents
knowledge sources