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J Am Med Inform Assoc 12:657-666 doi:10.1197/jamia.M1605
  • Original Investigation

Relationship Structures and Semantic Type Assignments of the UMLS Enriched Semantic Network

Table 6

Redundant Categorizations Involving Two Semantic Types Having New IS-A Links

Child ST No. of Concepts New Parent (Ancestor) Semantic Type No. of Joint Concepts
Organism Attribute 2,381 Physiologic Function 14
Injury or Poisoning 30,778 Disease or Syndrome 556
Pathologic Function 105
Enzyme 19,266 Amino Acid, Peptide, or Protein 18,941
Organic Chemical 88
Vitamin 1,208 Pharmacologic Substance 948
Organic Chemical 644
Chemical Viewed Structurally 1
Total: 4 53,633 8 21,297

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