Open-domain Question Answering via Chain of Reasoning over Heterogeneous Knowledge.

Kaixin Ma Hao Cheng Xiaodong Liu Eric Nyberg Jianfeng Gao

Published in: CoRR (2022)

Keyphrases

open domain question answering
knowledge base
knowledge representation
reasoning process
expert systems
domain knowledge
production rules
information retrieval
web search
co occurrence
wordnet
question answering
knowledge structures