About me

I'm a researcher and Ph.D. candidate in Computer Science working in the joint Safer Internet project between SES ASTRA, the Hasso Plattner Institute at the University of Potsdam and the University of Luxembourg & LIASIT. My research interests are mainly within the fields of the Social Web, pattern classification, content filtering and information security.

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Here are my most recent blog posts.

Jun 05 | Telling Experts from Spammers: Expertise Ranking in Folksonomies

My paper Telling Experts from Spammers: Expertise Ranking in Folksonomies, a joint work written together with fellow Ph.D. candidate Ching-Man Au Yeung from University of Southampton, has been accepted for publication and presentation at this year?s International ACM SIGIR Conference which will be held in Boston, USA, from July 19 - 23, 2009.
Abstract
With a suitable [...] (continue reading)
Mar 13 | Article published in Python Magazine

A couple of months ago Doug Hellmann, the chief editor of Python Magazine, invited me to write a featured article. I’m happy to share the good news that my article Writing a Personal Link Recommendation Engine has eventually been published in this year’s February issue.
Here’s a brief teaser: Writing a Personal Link Recommendation Engine
There is so [...] (continue reading)
Jan 06 | WI 2008 and SITIS 2008 papers available for download

As promised, my papers The Metadata Triumvirate: Social Annotations, Anchor Texts and Search Queries (IEEE/WIC/ACM WI 2008) and Building a Scalable Collaborative Web Filter with Free and Open Source Software (IEEE SITIS 2008) are available for download. Enjoy! (continue reading)