Reference:

M. Nickles. Multiagent Systems for the Social Competition Among Website Ratings. In Who's Who in Recommender Systems, Proceedings of the 2001 ACM SIGIR Workshop on Recommender Systems, 2001.

Suggested BibTeX entry:

@inproceedings{Nic01,
    author = {M. Nickles},
    booktitle = {Who's Who in Recommender Systems, Proceedings of the 2001 ACM SIGIR Workshop on Recommender Systems},
    title = {Multiagent {S}ystems for the {S}ocial {C}ompetition {A}mong {W}ebsite {R}atings},
    year = {2001}
}