Table 1 Base metrics of IrGO calculated by Ontometrics

Axiom

1046

4273

1698

13,562

20,903

Logical axiom count

143

614

384

2455

3627

Class count

123

609

289

2435

3521

Object property count

13

Data property count

2

Annotation property count

11

Class axioms

 SubClassOf

131

607

376

2448

3615

 Disjoint classes axioms count

4

Object property axioms

 SubObjectPropertyOf axioms count

4

 Inverse object properties axioms count

2

 Asymmetric object property axioms count

2

 Annotation axioms

 Annotation assertion

764

3034

1008

8656

13,741

 Inheritance richness

1.06

1.00

1.30

1.01

1.02

 Relationship richness

0.11

0.00

0.01

0.00

0.01

 Axiom/class ratio

8.50

7.01

5.87

5.56

5.94

 Calss/relation

0.83

1.00

0.76

0.99

0.97