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Table 5 SCTO metrics

From: SNOMED CT standard ontology based on the ontology for general medical science

Metric

Value

Number of classes

304

Axioms

2400

Object properties

8

Data properties

20

Maximum number of parents

3

Average number of siblings

3.62

Maximum number of children

66

Average number of children

3

Classes with more than 25 children

1

Classes with a single child

25

Maximum number of siblings

66

Subclass axioms

330

Annotations

1555

Maximum depth

8