Table 2 Comparison between AMA and NCI-A
From: Experiences from the anatomy track in the ontology alignment evaluation initiative
| Â | AMA | NCI-A |
|---|---|---|
# of concepts | 2744 | 3304 |
# of direct subconcepts of owl:Thing | 1056 | 7 |
Maximum depth of the is-a hierarchy | 9 | 13 |
# equivalent concepts | 0 | 0 |
# of inner concepts | 483 | 674 |
# of leaf concepts | 2261 | 2631 |
Maximum number of direct subconcepts | 129 | 125 |
# of concepts with one subconcept | 74 | 125 |
# of concepts with multiple superconcepts | 110 | 277 |
Average leaves depth | Â | Â |
(= (sum leaf concepts depth)/(# leaf concepts)): | 3 | 6 |
Average depth (= (sum concepts depth)/(# concepts)): | 3 | 6 |
Average number of subconcepts (only concepts with subconcepts): | 5 | 5 |
Average number of subconcepts (all concepts): | 1 | 1 |