Presents a computer-based system for generating thesauri from modulated subject-propositions (subject headings), which are structured according to facet analysis and augmented with appropriate codes for relating terms. Input to and operation of the system are described, as well as the programs developed. Fifteen references are listed. (Author/BK)

Monographs, periodical literature, documents, unpublished reports, and non-print materials in both English and Spanish would be included in a proposed Hispanic data base built around an initial 15 contributing collections totalling an estimated 100,000 items. Because users would employ indexing terms to access the data base, a thesaurus is…