In the first part we describe the dissemination of wikis in the German-speaking school community with a special focus on Switzerland, the most active German-speaking country using...
This paper proposes PlusDBG to improve both precision and pseudo-recall by extending the conventional Web community extraction scheme. Precision is defined as the percentage of re...
There is an establishing trend towards the socialization of the web. Virtual communities are becoming very popular web spaces for collaboration and knowledge sharing. However, stu...
Abstract. Collaborative Web search (CWS) is a community-based approach to Web search that supports the sharing of past result selections among a group of related searchers so as to...
Detecting densely connected subgroups in graphs such as communities in social networks is of interest in many research fields. Several methods have been developed to find commun...