Peter Haase, Jeen Broekstra, Marc Ehrig, Maarten Menken, Peter Mika, Mariusz Olko, Michal Plechawski, Pawel Pyszlak, Björn Schnizler, Ronny Siebes, Steffen Staab, Christoph Tempich: Bibster - A Semantics-Based Bibliographic Peer-to-Peer System. ISWC 2004: 122-136