An intelligent knowledge sharing system for web communities. - Christian Bauckhage; Tansu Alpcan; Sachin Agarwal 001; Florian Metze; Robert Wetzker; Milena Ilic; Sahin Albayrak (SMC, 2007)

An unsupervised hierarchical approach to document categorization. - Robert Wetzker; Tansu Alpcan; Christian Bauckhage; Winfried Umbrath; Sahin Albayrak (Web Intelligence, 2007)

An Ontology-Based Approach to Text Summarization. - Leonhard Hennig; Winfried Umbrath; Robert Wetzker (Web Intelligence/IAT Workshops, 2008)

Tailoring Taxonomies for Efficient Text Categorization and Expert Finding. - Robert Wetzker; Winfried Umbrath; Leonhard Hennig; Christian Bauckhage; Tansu Alpcan; Florian Metze (Web Intelligence/IAT Workshops, 2008)

Image retrieval and Web 2.0 - where can we go from here? - Christian Bauckhage; Tansu Alpcan; Robert Wetzker; Winfried Umbrath (ICIP, 2008)

Detecting trends in social bookmarking systems using a probabilistic generative model and smoothing. - Robert Wetzker; Till Plumbaum; Alexander Korth; Christian Bauckhage; Tansu Alpcan; Florian Metze (ICPR, 2008)

Tag spam creates large non-giant connected components. - Nicolas Neubauer 001; Robert Wetzker; Klaus Obermayer (AIRWeb, 2009)

From Community towards Enterprise - A Taxonomy-based Search for Experts. - Gerald Eichler; Andreas Lommatzsch; Thomas Strecker; Danuta Ploch; Conny Strecker; Robert Wetzker (IICS, 2009)

Understanding the User: Personomy Translation for Tag Recommendation. - Robert Wetzker; Alan Said; Carsten Zimmermann (DC@PKDD/ECML, 2009)

I tag, you tag: translating tags for advanced user models. - Robert Wetzker; Carsten Zimmermann; Christian Bauckhage; Sahin Albayrak (WSDM, 2010)

Detecting Trends in Social Bookmarking Systems: A del.icio.us Endeavor. - Robert Wetzker; Carsten Zimmermann; Christian Bauckhage (Int. J. Data Warehous. Min., 2010)

Graph-based recommendation in broad folksonomies. - Robert Wetzker (2010)