Figure 1From: Mining FDA drug labels using an unsupervised learning technique - topic modelingOverview of the workflow. The MedDRA ontology was applied to the three drug labeling sections (i.e., Boxed Warnings, Warnings and Precautions, and Adverse Reactions) to generate a list of adverse event terms for each drug, on which topic modeling was applied, followed with statistical analysis to assess the identified topics in the context of safety concern and therapeutic use.Back to article page