Table 4.
Acquisition of semantic relations (hierarchical subsumption and synonymy) between the MedDRA terms
| Relationships | Methods | Number of relations |
|---|---|---|
| Hierarchical relations |
Lexical inclusion |
3,366 |
| Hierarchical relations |
Morpho-syntactic variation with Faster |
743 |
| Synonymy relations |
Compositionality with 3 biomed terminologies |
1,879 |
| Synonymy relations |
Compositionality with 3 biomed terminologies and WordNet |
1,939 |
| Synonymy relations |
Compositionality with the simple UMLS synonyms |
190 |
| Synonymy relations |
Compositionality with the simple UMLS synonyms and WordNet |
227 |
| Synonymy relations | Morpho-syntactic variation with Faster | 100 |