G. Flake, S. Lawrence, и L. Giles. KDD '00: Proceedings of the sixth ACM SIGKDD international conference on Knowledge discovery and data mining, стр. 150--160. New York, NY, USA, ACM Press, (2000)
L. Giles, K. Bollacker, и S. Lawrence. Digital Libraries 98 - The Third ACM Conference on Digital Libraries, стр. 89--98. Pittsburgh, PA, ACM Press, (июня 1998)
K. Bollacker, S. Lawrence, и L. Giles. Proceedings of the Second International Conference on Autonomous Agents, стр. 116--123. New York, ACM Press, (1998)
S. Lawrence, K. Bollacker, и C. Giles. Proceedings of the Third International Conference on
Autonomous Agents, стр. 392--393. New York, NY, ACM Press, (May 1999)