Lexical Tools Norm

• Descriptions:
  • This is used in Metathesaurus (MRXNS_ENG.RRF) to normalize terms for CUI mapping.
  • It is used in STMT to normalize the input term to map the CUI.
  • Use Lexical Tools - NormApi
  • To match the key (normalized term) in the CUI mapping file (MRXNS_ENG.RRF)
  • For aggressive mapping to CUI by abstract away from:
    • q0: Symbol
    • g: Genitive
    • rs: parenthetical plural forms (s), (es), (ies)
    • o: Punctuation
    • t: Stop Words
    • l: cases
    • B: inflectional variants
    • Ct: spelling variants
    • q7:q8: Unicode
    • w: word order

• Notes:
  • An application of using Lexical Tools - NormApi
  • No category information is considered, use:

    Vector<String> normStrs = normApi.Mutate(String inStr);

  • This is a one (input) to many (outputs) function and might generate noise
  • High recall rate and OK precision