Simple Question Answering over Knowledge Graph Enhanced by Question Pattern Classification.

Hai Cui Tao Peng Lizhou Feng Tie Bao Lu Liu

Published in: Knowl. Inf. Syst. (2021)

Keyphrases

question answering
pattern classification
question classification
question answering systems
qa clef
natural language questions
answer extraction
open domain question answering

answering questions
qa systems
natural language processing
pattern recognition
information extraction
named entities
answer validation
natural language

feature extraction
candidate answers
passage retrieval
syntactic information
question answer pairs
relation extraction
knowledge representation
information retrieval

cross language
sentence retrieval
knowledge base
feature weighting
data mining
graph structure
high dimensional
search engine