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Table 3 Bio2RDF vocabulary and SIO mapping metrics

From: Ontology-Based Querying with Bio2RDF’s Linked Open Data

Dataset

# of classes

# of object properties

# of class exact mappings

# of class intermediate mappings

Affymetrix

1

15

0

1

BioModels

0

2

0

0

CTD

4

3

3

1

DrugBank

15

58

6

9

GO Annotations

1

2

0

1

HGNC

1

30

0

1

Homologene

1

5

0

1

InterPro

7

21

2

5

iRefIndex

5

6

0

5

MeSH

3

46

0

3

OMIM

7

47

3

4

NCBI Taxonomy

4

16

1

3

NCBI Gene

18

89

1

17

NDC

11

16

0

11

PharmGKB

16

8

6

10

SABIO-RK

0

3

0

0

SGD

42

40

7

33

  1. The number of classes and object properties mapped to SIO for each Bio2RDF dataset vocabulary ontology, as well as details on quality of class mappings. Exact matches indicate that the Bio2RDF vocabulary class is a direct subclass of its mapped parent SIO class. Intermediate matches are those that are not exact matches in the SIO class hierarchy but for which there was not a more precise parent class candidate.