1. Lecture Notes in Computer Science;R. Hackl,2003
2. Hackl, R., Mandl, T., Womser-Hacker, C.: Ad-hoc Mono- and Multilingual Retrieval Experiments at the University of Hildesheim (In this volume)
3. Harman, D., Buckley, C.: The NRRC reliable information access (RIA) workshop. In: Sanderson, M., Järvelin, K., Allan, L., Bruza, P. (eds.) SIGIR 2004: Proceedings of the 27th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Sheffield, July 25-29, 2004, pp. 528–529. ACM, New York (2004)
4. Lecture Notes in Computer Science;M. Kluck,2004
5. Mandl, T., Womser-Hacker, C.: A Framework for long-term Learning of Topical User Preferences in Information Retrieval. New Library World 105(5/6), 184–195 (2004)