Tane, J.; Schmitz, C. & Stumme, G. (2004), Semantic resource management for the web: an e-learning application, in 'Proc. 13th International World Wide Web Conference (WWW 2004)', pp. 1-10.

Schmitz, C.; Staab, S.; Studer, R.; Stumme, G. & Tane, J. (2002), Accessing Distributed Learning Repositories through a Courseware    Watchdog, in M. Driscoll & T.C. Reeves, ed.,'Proc. of E-Learning 2002 World Conference on E-Learning in Corporate,     Government, Healthcare and Higher Education on (E-Learning 2002)', pp. 909-915.