TY - CONF AU - Hotho, Andreas AU - Jäschke, Robert AU - Schmitz, Christoph AU - Stumme, Gerd A2 - Avrithis, Yannis S. A2 - Kompatsiaris, Yiannis A2 - Staab, Steffen A2 - O'Connor, Noel E. T1 - Trend Detection in Folksonomies T2 - Proc. First International Conference on Semantics And Digital Media Technology (SAMT) PB - Springer C1 - Heidelberg PY - 2006/12 CY - VL - 4306 IS - SP - 56 EP - 70 UR - http://www.kde.cs.uni-kassel.de/stumme/papers/2006/hotho2006trend.pdf DO - KW - 2006 KW - UniK KW - detection KW - folkrank KW - folksonomy KW - hotho KW - intranet KW - itegpub KW - jaeschke KW - l3s KW - myown KW - nepomuk KW - pagerank KW - schmitz KW - stumme KW - tagorapub KW - trend KW - triadic L1 - SN - 3-540-49335-2 N1 - N1 - AB - As the number of resources on the web exceeds by far the number of

documents one can track, it becomes increasingly difficult to remain

up to date on ones own areas of interest. The problem becomes more

severe with the increasing fraction of multimedia data, from which

it is difficult to extract some conceptual description of their

contents.

One way to overcome this problem are social bookmark tools, which

are rapidly emerging on the web. In such systems, users are setting

up lightweight conceptual structures called folksonomies, and

overcome thus the knowledge acquisition bottleneck. As more and more

people participate in the effort, the use of a common vocabulary

becomes more and more stable. We present an approach for discovering

topic-specific trends within folksonomies. It is based on a

differential adaptation of the PageRank algorithm to the triadic

hypergraph structure of a folksonomy. The approach allows for any

kind of data, as it does not rely on the internal structure of the

documents. In particular, this allows to consider different data

types in the same analysis step. We run experiments on a large-scale

real-world snapshot of a social bookmarking system. ER - TY - CONF AU - Jäschke, Robert AU - Hotho, Andreas AU - Schmitz, Christoph AU - Stumme, Gerd A2 - Braß, Stefan A2 - Hinneburg, Alexander T1 - Wege zur Entdeckung von Communities in Folksonomies T2 - Proc. 18. Workshop Grundlagen von Datenbanken PB - Martin-Luther-Universität C1 - Halle-Wittenberg PY - 2006/06 CY - VL - IS - SP - 80 EP - 84 UR - http://www.kde.cs.uni-kassel.de/stumme/papers/2006/jaeschke2006wege.pdf DO - KW - 2006 KW - bibsonomy KW - communities KW - community KW - detection KW - itegpub KW - l3s KW - myown KW - nepomuk KW - tagging L1 - SN - N1 - N1 - AB - Ein wichtiger Baustein des neu entdeckten World Wide Web -- des "`Web 2.0"' -- stellen

Folksonomies dar. In diesen Systemen können Benutzer gemeinsam Ressourcen verwalten und

mit Schlagwörtern versehen. Die dadurch entstehenden begrifflichen Strukturen stellen

ein interessantes Forschungsfeld dar. Dieser Artikel untersucht Ansätze und Wege zur

Entdeckung und Strukturierung von Nutzergruppen ("Communities") in Folksonomies. ER -