NCBO Ontology Recommender 2.0: an enhanced approach for biomedical ontology recommendation

Table 5 Ontology size and annotation details for the ontologies in Table 4

Ontology	Size	Class	Annotation type	Annotation score	Hierarchy level
O1	120,000	penicillin	PREF	10	5
O1	120,000	antibiotic	SYN	5	3
O2	800	penicillin	SYN	5	6
O2	800	tonsillitis	PREF	10	12

This table shows the number of classes (size) of each ontology, the class names, the annotation types, the annotation scores, and the level of each class in the ontology hierarchy, such that ‘1’ corresponds to the root (or top) level, ‘2’ correspond to the level below the root classes, ‘3’ to the next level, and so on

ISSN: 2041-1480