Staab, S. and Schnurr, H.-P. and Studer, R. and Sure, Y.. Knowledge Processes and Ontologies. In IEEE Intelligent Systems, Special Issue on Knowledge Management, (16) 1: Year 2001.

Staab, S. and Angele, J. and Decker, S. and Erdmann, M. and Hotho, A. and Maedche, A. and Schnurr, H.-P. and Studer, R. and Sure, Y.. Semantic community Web portals. In Comput. Netw., (33) 1-6: 473--491, Elsevier North-Holland, Inc., New York, NY, USA, Year 2000.

Staab, S. and Angele, J. and Decker, S. and Erdmann, M. and Hotho, A. and Maedche, A. and Schnurr, H.-P. and Studer, R. and Sure, Y.. Semantic Community Web Portals. WWW9 --- Proceedings of the 9th International World Wide Web Conference, Amsterdam, The Netherlands. 473-491, Elsevier, Year 2000.