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Table 6 Summary of the results for source vocabularies in UMLS (2015AB release) with redundant relations

From: FEDRR: fast, exhaustive detection of redundant hierarchical relations for quality improvement of large biomedical ontologies

Version

# AUIs

# is-a Relations

TC

RR

RR%

T(ms)

SNOMEDCT_US

846,444

476,055

5,511,334

372

0.00675

28,977

SNOMEDCT_VET

85,939

19,832

29,688

7

0.024

954

GO

148,900

71,687

554,859

1,576

0.2840

9,128

NCI

270,618

119,707

701,986

20

0.0028

5,881

HPO

18,175

14,762

117,366

101

0.0861

502

UMD

34,124

10,750

37,732

20

0.0530

1,906

  1. AUI: Atom Unique Identifier, TC: number of transitive closure pairs, RR: number of redundant is-a relations, T(ms): time taken in milliseconds
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