Imagine if every twelve weeks Facebook: * shut down all the groups you belonged to, * deleted all your forum posts, * removed all the photos, videos, and other files you had shared, and * forgot who your friends were.
M. Kerres, N. Ojstersek, A. Preussler, und J. Stratmann. E-Learning: Eine Zwischenbilanz Kritischer Rückblick als Basis eines Aufbruchs, Waxmann, Münster, New York, München, Berlin, (2009)
M. Kerres, N. Ojstersek, A. Preussler, und J. Stratmann. E-Learning: Eine Zwischenbilanz Kritischer Rückblick als Basis eines Aufbruchs, Waxmann, Münster, New York, München, Berlin, (2009)
D. Kim, R. France, S. Ghosh, und E. Song. ICECCS '02: Proceedings of the Eighth International Conference on Engineering of Complex Computer Systems, Seite 107. Washington, DC, USA, IEEE Computer Society, (2002)
M. Mezini, und K. Ostermann. SIGSOFT '04/FSE-12: Proceedings of the 12th ACM SIGSOFT twelfth international symposium on Foundations of software engineering, Seite 127--136. New York, NY, USA, ACM Press, (2004)
T. Nelkner. 2nd World Summit on the Knowledge Society (WSKS 2009), Crete, Greece, Volume 49 von Communications in Computer and Information Science, Seite 41-48. Springer, (2009)
T. Nelkner. Best Practices for the Knowledge Society. Knowledge, Learning, Development and Technology for All, Volume 49 von Communications in Computer and Information Science, Springer Berlin Heidelberg, (2009)
T. Nelkner, W. Reinhardt, und G. Attwell. 1st International Workshop on Learning in Enterprise 2.0 and Beyond, Volume 383 von CEUR Workshop Proceedings, (2008)