3. Definition of Broad Subject Fields and Subfields
Define Broad Subject fields and sort terms into these broad fields
Define subfields within each broad field and sort terms into these subfields.
Work out the detailed structure
- Select Preferred Terms
- Merge information for terms in the same concept class
Repeat these steps
- for each subfield within a broad field
- and for each broad field
- Until all terms have been consolidated and preferred terms selected