Pre-Process: Sh-Jdid-Dc Table

• Description:

  This file includes Mesh SubHeadings-Jdid-Dc scores. This file is generated and loaded into DB table, and then used to perform JD indexing on Mesh. The format of this file is:

  SubHeading	Jdid	Dc Score

• Input files:
  • ShDc.txt
  • ShJdidDc.txt
  • JdidDcNFactor.txt

• Procedures & Java files:
  • GenerateShJdidDcTable
    • Read in total Document count for all SH from shDc.txt
    • Read in sh-Jdid-Dc from shJdidDc.txt
    • Read in jdidDcNFactor from jdidDcNFactor.txt
    • Calculate Dc Socres for all SubHeadings by:
      • Dc Score = (document count/total document count) * NFactor
    • Print out Sh-Jdid-Dc Score

• Output file:
  • shJdidDc.txt, used in TC.JDI database tables

    SubHeading	Jdid	Dc Score