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Table 2 Details of the ontologies and extracted modules

From: Performance assessment of ontology matching systems for FAIR data

 

ORDO

SNOMED CT

NCIt

Classes in module (% of total)

299 (2%)

1,408 (0.4%)

1.014 (0.7%)

Axioms in module (% of total)

2.227 (0.9%)

7,105 (0.4%)

19,017 (0.7%)

Object properties in module (% of total)

7 (39%)

16 (13%)

40 (41%)

Total classes

14,502

352,449

156,172

Total axioms

234,982

1,629,354

2,543,710

Total object properties

18

120

97