On the form of parsed sentences for relation extraction.

Xiaoying Chen Mi Zhang Shengwu Xiong Tieyun Qian

Published in: Knowl. Based Syst. (2022)

Keyphrases

relation extraction
parse tree
dependency tree
information extraction
automatic extraction
manually annotated

semantic relations
named entities
semantic role labeling
domain specific
question answering
dependency trees

semantic features
semantic roles
named entity recognition
natural language text
tree kernels
dependency parsing

linguistic features
broad coverage
semi supervised
semantic analysis
knowledge discovery