Another issue is that of maintaining a current vocabulary, given constantly-changing terminology within some subject fields. Information Retrieval System . An abbreviated representation of the contents of a document.
Informative abstracts emphasize the main findings, conclusions, and if appropriate, methods.
Indexing Vocabulary . The set of descriptors to be used in indexing the contents of documents in an information storage and retrieval system. Synonymous with index language. Controlled-vocabulary Indexing System . An indexing system in which the indexer, in assigning descriptors to works, is limited to a specified list of terms called the index vocabulary.