D. W. McDonald and Ackerman, M. S., “Just Talk to Me: A Field Study of Expertise Location”, in Proceedings of the 1998 ACM Conference on Computer Supported Cooperative Work (CSCW'98), 1998, pp. 315–324.

D. W. McDonald and Ackerman, M. S., “Expertise Recommender: A Flexible Recommendation System and Architecture”, in Proceedings of the 2000 ACM Conference on Computer Supported Cooperative Work (CSCW'00), 2000, pp. 231–240.

J. Zhang and Ackerman, M. S., “Searching for Expertise in Social Networks: A Simulation of Potential Strategies”, in Proceedings of the 2005 International ACM SIGGROUP Conference on Supporting Group Work (Group'05), 2005, pp. 71–80.

J. Zhang, Ackerman, M. S., Adamic, L. A., and Nam, K. K., “QuME: A Mechanism to Support Expertise Finding in Online Help-seeking Communities”, in Proceedings of the 20th Annual ACM Symposium on User Interface Software and Technology (UIST'07), 2007, pp. 111–114.