Software
        Thesaurus management system
System for creating and maintaining thesauruses
A specialized system for creating and operating thesauruses from scratch or based on foreign language versions.
- multilingual data
 - descriptors
 - acriptors
 - associated terms ('see also')
 - definitions
 - annotations
 - tree codes - a hierarchical structure
 - qualifiers
 - additional tags
 - comments
 - indexing notes
 
The effects of application in the Main Medical Bibliography (Department of Medical Bibliographies), Warsaw, Poland:
- PolMeSH (Polish Medical Thesaurus), based on Medical Subject Headings National Library of Medicine, USA
 - integration PolMeSH and th Polish Medical Bibliography into a powerful database environment using thesaurus based search possibilities
 - integration PolMeSH into the Unified Medical Language for System National Library of Medicine, USA