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Yes
Previous Entity rep. studies(~CoNLL’19)
Use massive
text?
• Entity : existing in KB(e.g. Wikipedia, Freebase, etc)
Yes
No
Require
“entity-span”
annotations?
Use
relations?
Yes
No
Use
relation?
JointEnt [Yamada, et al., ACL ’17]
KnowBert [Peters, et al, EMNLP ’19]
(Partially annotated data used)
No
Yes
No
DEER [Gillick, et al., CoNLL ’19]
ERNIE [Zhang, et al., ACL ’19]
BertEnt [Yamada, et al., ’19]
EntEval [Chen, et al., EMNLP’19]
×
Relations
or adding text?
Relations
Relations + text
Multihop-GAT [Nathani, et al, EMNLP ’19]
TuckER [Balazevic, et al, EMNLP ’19] , ComplEx, DistMult, …
(SoTA)
AATE [An et al., NAACL ‘18], MutualAtt [Han et al., AAAI18], …
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