M. Freiberg, and F. Puppe. Mensch und Computer 2012---12. fachübergreifende Konferenz für interaktive und kooperative Medien., Oldenbourg Verlag, (2013)
F. van Harmelen, A. ten Teije, and H. Wache. Proceedings of The Fifth International Conference on Knowledge Capture, page 81--88. ACM, (September 2009)
X. Liu, and J. Yen. ICSE '96: Proceedings of the 18th international conference on Software engineering, page 60--69. Washington, DC, USA, IEEE Computer Society, (1996)