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Table 1 Regrouping of UMLS semantic types to form 14 semantic categories (four conceptually important semantic types are marked with “*”)

From: Using data-driven sublanguage pattern mining to induce knowledge models: application in medical image reports knowledge representation

New Semantic Category Included UMLS Semantic Types Type Counts
Abnormality Anatomical Abnormality, Acquired Abnormality, Congenital Abnormality 3
Body Part Body Part Organ or Organ Component, Body Substance, Body System*, Tissue, Cell, Gene or Genome, Receptor* 7
Classification Classification 1
Functional Concept Functional Concept 1
Location Spatial Concept, Body Location or Region, Body Space or Junction 3
Medical Activity Diagnostic Procedure, Therapeutic or Preventive Procedure, Laboratory Procedure, Health Care Activity, Research Activity, Activity 6
Medical Device and Object Medical Device, Manufactured Object 2
Observation Finding, Sign or Symptom, Injury or Poisoning, Laboratory or Test Result, Phenomenon or Process 5
Pathology Disease or Syndrome, Neoplastic Process, Mental or Behavioral Dysfunction, Cell or Molecular Dysfunction, Pathologic Function 5
Physiology Cell Function, Organ or Tissue Function, Organism Function*, Physiologic Function 4
Qualitative Concept Qualitative Concept 1
Quantitative Concept Quantitative Concept 1
Substance Pharmacologic Substance, Substance, Biologically Active Substance, Biomedical or Dental Material* 4
Temporal Concept Temporal Concept 1