His current research focus are collaborative, internet-based knowledge management systems, enterprise modeling and the application of natural language processing to systems analysis and design. He is the founder of an innovative internet based scientific knowledge infrastructure, the IS Cybrarium . In addition, he is the author of more than 40 scientific articles and one book. His dissertation thesis was concerned with reference models and has been published by Gabler Verlag. He was recipient of the annual dissertation award of the Saarland Institute for Empirical Management Research in 1994.
Current research projects Wireless ecommerce.
With Anthony Borquez. Conversation systems for requirements engineering. With Jiangfan Zhong and Nazanin Angoshtari. Success factors for the Open Source Movement. With Shaosong Ou.