Table 1 Triples of terminologies and the number of fire ladder patterns formed by permutations of each triple
From: Extending import detection algorithms for concept import from two to three biomedical terminologies
| All permutations of triple of terminologies | Number of fire ladder patterns | All permutations of triple of terminologies | Number of fire ladder patterns |
|---|---|---|---|
| CPT, SNOMED CT, MEDCIN | 18 | UMD, SNOMED CT, NCIt | 2 |
| NCIt, SNOMED CT, MEDCIN, | 17 | MEDCIN, ATC, NCIt | 2 |
| HPO, SNOMED CT, NCIt | 4 | SNOMED CT, HPO, MEDCIN | 2 |
| CPT, NCIt, MEDCIN | 3 | CPM, SNOMED CT, NCIt | 1 |
| FMA, SNOMED CT, NCIt | 3 | HPO, SNOMED CT, MEDCIN | 1 |
| SNOMED CT, CPM, MEDCIN | 3 | SNOMED CT, GO, FMA | 1 |