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An End User Retrieval Interface for Structured Multimedia Documents


Andreas Henrich and Günter Robbert

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Abstract

We present an end user retrieval interface for a repository containing large amounts of structured multimedia teaching content. This interface is dedicated to authors of new courses searching for reusable components. Therefore the expressive power of the query opportunities is a dominant design target, but ease of use is nevertheless important. The interface allows to search for arbitrary granules ranging from complete courses to single me dia objects. It comprises (1) the query structure window which allows to dene the objects relevant for the query together with their interrelationships, (2) search detail forms which allow to define conditions and ranking criteria for the single objects and (3) sophisticated facilities to define the semantics of the combination of different ranking criteria and filter conditions in the context of structured documents.


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