D. Liben-Nowell, und J. Kleinberg. CIKM '03: Proceedings of the twelfth international conference on Information and knowledge management, Seite 556--559. New York, NY, USA, ACM, (2003)
D. Liben-Nowell, und J. Kleinberg. CIKM '03: Proceedings of the twelfth international conference on Information and knowledge management, Seite 556--559. New York, NY, USA, ACM, (2003)