Multi-faceted Tagging in TagMe!

Presented at: 8th International Semantic Web Conference (ISWC2009)

by Fabian Abel, Ricardo Kawase, Daniel Krause, Patrick Siehndel


In this paper we present TagMe!, a tagging and exploration front-end for Flickr images, which enables users to add categories to tag assignments and to attach tag assignments to a specific area within an image. We analyze the differences between tags and categories and show how both facets can be applied to learn semantic relations between concepts referenced by tags and categories. Further, we discuss how the multi-faceted tagging helps to improve the retrieval of folksonomy entities. The TagMe! system is currently available at

Keywords: Semantic Web

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