index term

These relationships thus perform the vital function of identifying index terms.

The index terms were mostly assigned by experts but author keywords are also common.

Index terms can either come from a controlled vocabulary or be freely assigned.

Any terms that appear in the document are candidates for index terms.

Index terms make up a controlled vocabulary for use in bibliographic records.

Index terms can consist of a word, phrase, or alphanumerical term.

Each version shows variation on the idea of providing keywords and questions in indexing terms.

Index terms do not always stand alone, but are sometimes defined more precisely by the use of both qualifiers and scope notes.

Now the compilation of index terms can begin.

An alternative is assignment indexing where index terms are taken from a controlled vocabulary.

An exhaustive index is one which lists all possible index terms.

They record the bibliographic data for each document and assign index terms to describe it.

A natural language system takes index terms directly from titles, abstracts, citations or full text.

Thus the golist must be machine-stored and is used by the computer in the assignment of index terms.

Obviously this last option permits the human indexer some control over the allocation of index terms.

For example using low indexing exhaustivity, minor aspects of the work will not be described with index terms.

Other kinds of access points contain information such as title words, classification codes, indexing terms etc.

Situations where subdivisions might have had some utility are served by the coordination of index terms at the search stage (see 17.2).

The easiest way to exercise this type of control over index terms is to list or store the acceptable terms in a vocabulary.

Qualifiers function as an integral part of the index term, so that terms of the form: are created and used.

The discrimination value of the index term is:

Many journals and databases provides access (also) to index terms made by authors to the articles being published or represented.

However, the allocation of index terms and the variety of forms in which concepts or names might appear are not controlled.

She has also collaborated in research addressing consistency in the assignment of indexing terms.

On the other hand, a sub-optimal index term can not distinguish two different document from two similar documents.