Figure 1From: Dovetailing biology and chemistry: integrating the Gene Ontology with the ChEBI chemical ontologyAn example of a portion of the GO chemical ontology representing the inherent chemical ontology within the GO. The entire ontology consists of the union of all possible inter-chemical relationships inferred by GO terms. This ontology was used as an initial step for curators to examine how chemicals were represented throughout the ontology.Back to article page