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This paper presents Humboldt, a novel user interface for browsing RDF data. The user interfaces for browsing RDF data are reviewed. They argue that browsing tasks require both a facet browser's ability to select and process groups of resources at a time and a 'Resource at a time' browser's ability to navigate anywhere in a dataset. This paper describes Humboldt which combines these two features in a single coherent interface. Their approach is based on the operation of pivoting, which enables the user to move the focus of a browsing from one set of resources to a set of related resources. With repeated use of the pivot operation the user can browse anywhere in the data.
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