title = {On the role of user models and user modeling in Knowledge Management Systems},
author = {L. Razmerita and A. Angehrn and T. Nabeth}, booktitle = {Proceedings of HCI International}, pages = {450--456}, volume = {2}, year = {2003}, location = {Greece},
keywords = {freiburg ontology recommender_systems seminar ss_04 uni_freiburg user_models }