Rendle, Steffen ; Schmidt-Thieme, Lars ; Eisterlehner, Folke (Bearb.) ; Hotho, Andreas (Bearb.) ; Jäschke, Robert (Bearb.): Factor Models for Tag Recommendation in BibSonomy. 497. In: ECML PKDD Discovery Challenge 2009 (DC09). Bled, Slovenia : CEUR Workshop Proceedings, 2009, S. 235--242