UMLS Core: Normalized term to Synonym Mapping

• Descriptions:
  • A simple mapping from normalized synonym to its synonyms
  • File: 8 synonym files

• Examples - Test Cases:

  Input	Output	Notes
  head's	cephalic skull	Genitive
  head(s)	cephalic skull	parenthetical plural forms
  :head.&*	cephalic skull	Punctuation
  HeaD	cephalic skull	cases
  :Head(S).&*	cephalic skull	Combination
  Coloured	chromatic	spelling variants
  Human Immunodeficiency Virus	HIV aids virus aids-associated hiv	Multi words

• Algorithm:
  • normalized input term by SynonymNorm
  • normalized key in the synonym pairs
  • Mapping
    • It is one to many mapping, such as:
      • neck|cervical
      • neck|jugular
    • Use Java Hashtable

      	key	Values
      Type	String	Vector<String>
      Description	Normalized term	Synonyms

    • Removed duplicated key|value
    • Could use database instead

  • This is a one to many mapping