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Перевод: thesauri

тезаурусы

Тезаурус:

1. Section 16.6 (below) makes a more direct comparison between subject headings lists and thesauri, while Section 16.7 considers the compilation of such lists.
2. Nevertheless, the fact that these general lists cannot serve for every application has triggered a search for more consistent approaches to constructing headings, together with the development of special lists of subject headings and thesauri.
3. There are two types of controlled indexing language thesauri and subject headings lists.
4. Clear instructions are essential in indexing tools such as thesauri, subject headings lists and classification schemes.
5. If not, other sources of subject terminology, such as thesauri and dictionaries, may be consulted.
6. thesauri
7. Conventional thesauri are often arranged hierarchically, so that of two terms one may be broader or narrower than the other.
8. The latter are available in a range of forms - from simple lists of terms with "use/used for" references as, for example, Pollution Abstracts User Aid and BYGGDOK term list, to thesauri such as the INSPEC Thesaurus with clearly defined structural relationships between terms.
9. Others have attempted to extract information from pre-compiled sources such as machine-readable dictionaries and thesauri.
10. In alphabetical indexing languages, such as are embodied in thesauri and subject headings lists, subject terms are the alphabetical names of the subjects.
11. This is normally effected by references and other devices indicating relationships in thesauri and subject heading lists, as well as alternative entries.
12. For example, Byrd 1989 solves the problem of matching word senses in different thesauri by computing a set of" sense property vectors" for each entry from the two thesauri, and then computing an" optimal" mapping of the two sets.