Tag Recommendations in Social Bookmarking Systems
1 Tag Recommendations in Social Bookmarking Systems Robert Jaschke¨ a,c Leandro Marinho b,d 1. Introduction Andreas Hotho a Lars Schmidt-Thieme b Gerd Stumme a,c Folksonomies are web-based systems that allow users to upload their resources, and to label them with a Knowledge & Data Engineering Group (KDE), arbitrary words, so-called tags. The systems can be dis- University of Kassel, tinguished according to what kind of resources are sup- 1 Wilhelmshoher¨ Allee 73, 34121 Kassel, Germany ported. Flickr , for instance, allows the sharing of pho- tos, del.icio.us2 the sharing of bookmarks, CiteULike3 http://www.kde.cs.uni-kassel.de 4 b and Connotea the sharing of bibliographic references, Information Systems and Machine Learning Lab and last.fm5 the sharing of music listening habits. Bib- (ISMLL), University of Hildesheim, 6 Sonomy allows to share bookmarks and BIBTEX based Samelsonplatz 1, 31141 Hildesheim, Germany publication entries simultaneously. http://www.ismll.uni-hildesheim.de In their core, these systems are all very similar. Once c Research Center L3S, a user is logged in, he can add a resource to the sys- Appelstr. 9a, 30167 Hannover, Germany tem, and assign arbitrary tags to it. The collection of all his assignments is his personomy, the collection of http://www.l3s.de folksonomy d all personomies constitutes the . The user Brazilian National Council Scientific and can explore his personomy, as well as the whole folk- Technological Research (CNPq) scholarship holder. sonomy, in all dimensions: for a given user one can see all resources he has uploaded, together with the tags he Abstract.
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