Table 1. Characteristics of the data sets used for our work.

The tables displays statistics about the examined ontologies as well as the set of Wikipedia articles mapping to those articles.

		ICD-10	MeSH	SNOMED CT
Ontology	concepts	12,417	80,689	295,482
	top-level	22	16	19
	relations	12,416	112,463	440,408
	density	8.05×10−5	1.73×10−5	5.04×10−6
	depth	4	14	16
	relation	is-a	is-a, part-of	is-a

Wikipedia	articles	1,593
	links	14,539
	density	5.73×10−3