Fig. 1 From: Knowledge-enhanced biomedical named entity recognition and normalization: application to proteins and genesIllustration of structure information of entities. The first column represents the mention, the middle column represents the variant corresponding to the mention, and the last column represents the entity ID. The solid line box represents the name variations and the arrow in this side means that different variants can correspond to the same ID in the KB. The dashed box represents the entity ambiguity and the arrow in this side means that the same mention can have several variants with different ID in the KBBack to article page