2001-08-14/18;ACM Hypertext 2001; 2001-06-4/6;The 13th Conference on Advanced Information Systems Engineering; 2001-06-13/14;Key Action II - Concertation Meeting; 2001-05-30;DND Seminar; Har modellering en rolle i moderne systemutvikling?; 2001-05-22;Jiangxi University of Finance and Economics, China; 2001-02-22;IAO-Forum Betriebliche Weiterbildung mit digitalen Medien, Stuttgart; 2001-02-19;SAP Research Congress, San Diego, USA; 2000-12-2/6;ACM Conference on Computer Supported Cooperative Work; 2000-12-14/16;The 2nd Chinese National Conference on Computer Supported Cooperative Work (C-CSCW2000); 2000-11-6/8;Information Society Technology Event, Nice (France); 2000-10-??;IPSI open day; 2000-10-18/20;eBusiness and eWork 2000, Madrid (Spain); 2000-10-05;Workshop "Innovative Technologies for Learning", Vina del Mar, Chile; 2000-09-02;HERMES Workshop "Advanced systems for teaching and learning over the World Wide Web", University of the Aegean, Samos; 2000-07-23/26;The 4th World MultiConference on Systemics Cybernetics and Informatics; 2000-06-11/16;Dagstuhl Seminar "Multimedia for Multimedia - Learing and Teaching in the Next Decade", Scholss Dagstuhl;