Vocabulary Control

VOCABULARY CONTROL


The term ‘vocabulary control’ refers to a limited set of terms that must be used to index documents, and to search for these documents, in a particular system. It may be defined as a list of terms showing their relationships and used to represent the specific subject of the document.


An information system may help the user by explicitly assigning index terms (that is,

Problems of Natural Language in Indexing

PROBLEMS OF NATURAL LANGUAGE IN INDEXING



Derived indexing is based on the natural language of the documents which proves to be problematic sometimes in the Subject Indexing Process. These problems prompted to move towards the use of Assigned indexing. These problems can be categorized under two heads:

Problems inherent in the language
Problems pertaining to relationships




Contents

Indexing Languages

INDEXING LANGUAGES



A system for naming subjects in the way that we have described is called an indexing language, and, like any other language, it will consist of two parts: vocabulary and syntax.



Indexing language is a set of items (vocabulary) and devices for handling the relationships between them in a system for providing index descriptions. Indexing language is also referred to as