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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