RxNorm

Description: normalized names for clinical drugs and links its names to many of the drug vocabularies commonly used in pharmacy management and drug interaction software, including those of First Databank, Micromedex, and Gold Standard Drug Database

Link: https://www.nlm.nih.gov/research/umls/rxnorm/

Edge Categories Distribution

Epistemic Robustness

Epistemic Robustness measures the provenance quality of edges from this knowledge source, using Knowledge Level and Agent Type from the Biolink Model to assess evidence strength and reliability. Higher scores indicate stronger evidence and greater manual curation.

0.60
Average Epistemic Score

1.00
Knowledge Level Score
Most common: Knowledge Assertion

0.20
Agent Type Score
Most common: Automated Agent

87,064
Edges Included

0
Edges with Missing Provenance
(Both Knowledge Level and Agent Type not provided)

Relevancy Assessment

No relevancy assessment data available for this knowledge source.

Edge Type Validation

This section shows the validation of edge types in this knowledge source against the recognized biolink schema patterns.

25,703
Recognized Edges
( 29.5 %)

61,361
Unrecognized Edges
( 70.5 %)

ABox / TBox Classification

The TBox-to-ABox balance reflects how much a knowledge graph emphasizes abstract schema versus concrete instances—too much of either can hinder effective learning and reasoning.

40,136
ABox Edges
( 46.1 %)

39,101
TBox Edges
( 44.9 %)

7,827
Undefined
( 9.0 %)