The blue social bookmark and publication sharing system.
Do-Thanh Sang, Thi Thanh Nguyen, Dong-Min Woo, and Dong-Chul Park. ACIIDS (2), volume 5991 of Lecture Notes in Computer Science, page 279-288. Springer, (2010)
BibSonomy is offered by the KDE group of the University of Kassel, the DMIR group of the University of Würzburg, and the L3S Research Center, Germany.