Skip to main content

Table 2 External ontologies cross-referenced in DDO

From: DDO: a diabetes mellitus diagnosis ontology

#

Ontology

Use in DDO

Classes

Object properties

Data properties

Total

Imported ontologies as whole

 1

BFO (Basic Formal Ontology)

Top-level reference ontology

35

0

0

35

 2

OGMS (Ontology for General Medical Science)

Mid-level reference ontology

120

0

0

120

Imported from other external ontologies

 1

DOID (Human Disease Ontology)

Externally referenced disease classes

1760

0

0

1760

 2

SYMP (Symptoms Ontology)

Select classes for symptoms

80

0

0

80

 4

UO (Units of Measurement Ontology)

Laboratory tests units of measurements

37

1

0

38

 5

OBO RO (Relation ontology)

Object properties design

0

19

0

19

 6

RxNorm ontology

Externally referenced drugs and chemical substances

1042 drug + 1069 substance

0

0

2111

Imported from other external terminologies

 1

SNOMED CT

Select classes to enhance granularity of diseases, drugs, substances, symptoms, etc.

1987 diseases, 72 symptoms, 83 laboratory tests, 1 disease course, 23 physical examinations, 5 diagnoses, 107 disorders, 23 living organisms (classes)

2301

 2

UMLS

Selection of concepts UMLS CUIs for all concepts

Total

6444

20

0

6464