Indexeringskonsistens
En litteraturgenomgång och en undersökning i LIBRIS
The aim of this thesis is to investigate indexing consistency in LIBRIS, a Swedish national union catalogue, where searches can be carried out among almost five million titles. To calculate consistency, indexing terms of translations and indexing terms of documents in their original language have been compared. I have used a total of 100 such pairs in the study. There is a lot of different methods that can be used when consistency is calculated, in this study Hoopers and Rollings methods have been used since they are two of the most commonly methods used and also have the advantage of being fairly simple to use and understand. In the thesis, differences in consistency between indexing terms consisting of names and general indexing terms and differences in consistency between controlled indexing terms and uncontrolled indexing terms are also compared. The overall consistency was found to be 48,97% when Hoopers method was used and 57,20% when Rollings method was used. A significant difference in consistency was found between indexing terms consisting of names and general indexing terms but not between controlled indexing terms and uncontrolled indexing terms.