Fig. 2From: Linking chemical and disease entities to ontologies by integrating PageRank with extracted relations from literatureRelation between terms in the text. Example of a relation between the entity mentions “alcohols” and “methylsalicylate” that is described in an article, but it is not expressed in the ChEBI ontology structure. The closest ancestors of the respective ChEBI entities for these mentions, “Alcohol” and “Methyl salycilate”, and the respective ChEBI identifiers are also shownBack to article page