Table 3 Selected results of the analysis of regularities in present and absent cases
From: Analysing Syntactic Regularities and Irregularities in SNOMED-CT
Present | Absent | |
|---|---|---|
Total number of entities starting with “Present” or “Absent” | 0 | 1 |
Total number of entities having “present” or “absent” in the middle of their name | 59 | 24 |
Number of clusters that include the target entities | 6 | 5 |
Number of generalisations describing the target entities | 65 | 39 |
Number of instantiations referring to the target entities | 404 | 236 |
Number of target entities that were not in any cluster. | 1 | 0 |
Number of clusters including entities with multiple role groups (RoleGroup) in their axioms | 3 | 3 |
Number of clustered entities using multiple role groups (RoleGroup) in their axioms | 4 | 3 |
Number of generalisations which instantiations explicitly refer to the present (Known present (qualifier value)) or absent qualifier (Known absent (qualifier value)) | 23 (35%) | 15 (39%) |
Number of instantiations that explicitly refer to the present or absent qualifier | 127 (31%) | 81 (34%) |