Bibster - A Semantics-Based Bibliographic Peer-to-Peer System. - Peter Haase 001; Jeen Broekstra; Marc Ehrig; Maarten Menken; Peter Mika; Mariusz Olko; Michal Plechawski; Pawel Pyszlak; Björn Schnizler; Ronny Siebes; Steffen Staab; Christoph Tempich (ISWC, 2004)