Document (#23139)

Author
Gödert, W.
Title
Klassifikationssysteme und Online-Katalog
Source
Zeitschrift für Bibliothekswesen und Bibliographie. 34(1987) H.3, S.185-195
Year
1987
Abstract
Free text searching with keywords in a complete data store is not necessarily the best automatic retrieval method. There must be a proper classification of documents and concepts and the use of a proper classification system avoids problems of terminological deficiency. The dialogue search form makes the on-line catalogue a new information medium. A bibliographic unit must be created with as many search access points as possible, using verbal and classificatory search elements. Verbal search categories must include free text elements for individual search access requirements and a controlled vocabulary with syntactic connections. Classified data should consist of a universal classification system with clear structural notation for access and surface searching, together with several specialist subject classifications for differentiated documentation and retrieval. The universal classification needs no detailed subdivision: it serves mainly as a guide and entry to the detailed sub-systems
Theme
Klassifikationssysteme im Online-Retrieval

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