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E(Electronic)-learning becomes more and more important. Reasons are the paramount importance of knowledge, life-time learning, globalization and mobility. Not all providers of e-learning products succeed in closing the gap between production costs and revenues. Especially in the academic sector...

Contemporary lifelong learning (L3) concepts require permeability between higher and further education. Today, human resources development is a critical success factor in a global environment. Shorter innovation cycles and the challenges of the service economy imply the alignment of further...

Price comparison services are being used by more and more internet users worldwide to compare prices of (online-)suppliers. The characteristics of price comparison services differ internationally. Not only are they different in the reference to their scope of work. Also with regard to the...