Purpose: At many universities, web lectures have become an integral part of the e-learning portfolio over the last few years. While many aspects of the technology involved, like automatic recording techniques or innovative interfaces for replay, have evolved at a rapid pace, web lecturing has remained independent of other important developments…

Based on a technical infrastructure that supports face-to-face university teaching, an environment that enables small groups of lecturers to develop and maintain lecture material cooperatively was developed. In order to allow for a flexible use, only a few formal workshops are imposed on the users while cooperation is supported by easy-to-use…