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Multi-Grained Named Entity Recognition aims to detect and recognize entities on multiple granularities, without explicitly assuming non-overlapping or totally nested structures.

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Multi-Grained Named Entity Recognition

ACL 2019 congyingxia/Multi-Grained-NER

This paper presents a novel framework, MGNER, for Multi-Grained Named Entity Recognition where multiple entities or entity mentions in a sentence could be non-overlapping or totally nested.

Ranked #4 on Nested Named Entity Recognition on ACE 2004 (using extra training data)

MULTI-GRAINED NAMED ENTITY RECOGNITION NESTED MENTION RECOGNITION NESTED NAMED ENTITY RECOGNITION