Subject Authority: avoiding the unknown unknown

We recently had a query from a user who asked us to explain the value of SCIS Subject Headings and the ScOT vocabulary — and the rather tricky subject of authority control. This query often comes up in our inbox, at conferences and at professional learning sessions, so now feels like a good time for a blog post on the matter.

SCIS vs ScOT — which to choose?
Firstly, we do not consider this an either/or scenario; nor do 100% of our users. SCIS Subject Headings have been developed and refined to support best-practice for resource management in education. SCIS records provide the foundation of consistent, best-quality metadata, to which ScOT headings can be a valuable supplement.

The SCIS Subject Headings vocabulary dates back to the early 1980s and is a pre-coordinated subject headings list. It is intended as an educationally-focused alternative to the Library of Congress Subject Headings. SCIS subscribers can choose to supplement SCIS Subject Headings with ScOT, a post-coordinated vocabulary of topical headings.

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