%0 Conference Paper %1 illigtoappearcomparison %A Illig, Jens %A Hotho, Andreas %A Jäschke, Robert %A Stumme, Gerd %B Postproceedings of the International Conference on Knowledge Processing in Practice (KPP2007) %D to appear %I Springer %K content 2009 nopaper tag recommender recommendations folksonomy tagorapub %T A Comparison of content-based Tag Recommendations in Folksonomy Systems