Purpose – This paper presents a framework for ontology evolution tailored to Digital Libraries, which makes use of two different sources for change detection and propagation, the usage of ontologies by users and the changes of available data. Design/methodology/approach – After presenting...

Purpose – The goals of this study are: to evaluate the merits of a newly developed health information retrieval system; to investigate users' search strategies when using the new search system; and to study the relationships between users' search strategies and their prior topic knowledge....

Die Informationsflut, die dem Entscheidungsträger im Internet aber auch in internen Quellen begegnet, lässt sich nur schwer bewältigen. Daher ist die verfügbare Menge der Informationen zunächst in interessante und uninteressante Informationen zu unterteilen. Dem Entschei-dungsträger sind...