W. R. Hersh, J. Callan, Y. Maarek, and M. Sanderson, editors. (2012.) The 35th International ACM SIGIR conference on research and development in Information Retrieval, SIGIR '12. Portland. ACM.
J. Callan, F. Crestani, and M. Sanderson, editors. (2003.) Distributed Multimedia Information Retrieval. Springer-Verlag.
J. Callan, G. Cormack, C. Clarke, D. Hawking and A. Smeaton, editors. (2003.) Proceedings of the Twenty Sixth Annual International ACM SIGIR Conference on Research and Development in Information Retrieval. Toronto. ACM.
J. Callan, F. Crestani, and M. Sanderson, editors. (2003.) Proceedings of the SIGIR 2003 Workshop on Distributed Information Retrieval. Toronto.
J. Callan, P. Kantor, and D. Grossman, editors. (2002.) Proceedings of the SIGIR 2002 Workshop on Information Retrieval and OCR: From Converting Content to Grasping Meaning. Tampere, Finland.
A. Smeaton and J. Callan, editors. (2001.) Proceedings of the Second DELOS Network of Excellence Workshop on Personalisation and Recommender Systems in Digital Libraries. ERCIM Workshop Proceedings - No. 01/W03, European Research Consortium on Informatics and Mathematics.
J. Callan, B. Croft, and J. Lafferty, editors. (2001.) Workshop on Language Modeling and Information Retrieval. Pittsburgh, PA.
A. Agah, J. Callan, and E. Rundensteiner, editors. (2000.) Proceedings of the Ninth International Conference on Information and Knowledge Management (CIKM 2000). McLean, VA. ACM Press.