FIGURE 5.1: The ontology hierarchy interfaces for exploring ontology terms and annotated domains, illustrated for an EFO term ‘disease’ (‘EFO:0000408’). (A) The hierarchy page listing all ontologies supported, including Experimental Factor Ontology (EFO). (B) The ‘disease’ term and its children terms (per child term providing a hyperlink to the hierarchy page and a hyperlink to the term-specific page). (C) The hierarchy page for the child term ‘immune system disease’ (‘EFO:0000540’). (D) The term-specific page for the child term ‘immune system disease’ (‘EFO:0000540’), which provides the list of annotated domains, displayed separately for SCOP, Pfam and InterPro; see (E). Also displayed is the list of crosslinked terms, where available; see (F).