Managing publications and bookmarks with BibSonomy. In Ciro Cattuto, Giancarlo Ruffo, und Filippo Menczer (Hrsg.), HT '09: Proceedings of the 20th ACM Conference on Hypertext and Hypermedia, 323--324, ACM, New York, NY, USA, Juni 2009. [PUMA: 2009 bibsonomy ht09 itegpub myown social-bookmarking social-software web20] URL