- EMS, page 225-230. IEEE, (2011)
- IJISMD 3(1):78-98 (2012)
- Information & Software Technology 42(10):687-700 (2000)
- Wirtschaftsinformatik 53(6):377-381 (2011)
- Business & Information Systems Engineering 3(6):385-388 (2011)
- Encyclopedia of Information Science and Technology IV, Idea Group, (2005)
- Encyclopedia of Information Science and Technology V, Idea Group, (2005)
- ServiceWave Workshops, volume 6569 of Lecture Notes in Computer Science, page 82-89. Springer, (2010)
- BIR, volume 90 of Lecture Notes in Business Information Processing, page 1-18. Springer, (2011)
- Context and Technology Enhanced Learning ConTEL: Theory, methodology and design, ECTEL 2011, Palermo, Italy, (2011)
- IJISMD 2(3):1-23 (2011)
- BMMDS/EMMSAD, volume 81 of Lecture Notes in Business Information Processing, page 314-331. Springer, (2011)
- CAiSE, volume 3084 of Lecture Notes in Computer Science, page 550-563. Springer, (2004)
- Metainformatics, volume 3002 of Lecture Notes in Computer Science, page 158-174. Springer, (2003)
- ER Workshops, volume 2503 of Lecture Notes in Computer Science, page 351-363. Springer, (2002)
- ER Workshops, volume 2503 of Lecture Notes in Computer Science, page 124-135. Springer, (2002)
- CAiSE, volume 2068 of Lecture Notes in Computer Science, page 477-482. Springer, (2001)
- Requir. Eng. 1(4):210-237 (1996)
- PoEM, volume 68 of Lecture Notes in Business Information Processing, page 145-161. Springer, (2010)
- PoEM, volume 68 of Lecture Notes in Business Information Processing, page 162-176. Springer, (2010)


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