L. Obrst. CIKM '03: Proceedings of the twelfth international conference on
Information and knowledge management, page 366--369. New York, NY, USA, ACM, (2003)
L. Obrst. CIKM '03: Proceedings of the twelfth international conference on Information and knowledge management, page 366--369. New York, NY, USA, ACM, (2003)