- QSIC, page 198-207. IEEE Computer Society, (2011)
- ARES, page 527-534. IEEE, (2011)
- IEICE Transactions 87-D(4):811-821 (2004)
- ICSOFT 2, page 187-194. SciTePress, (2010)
- QSIC, page 357-360. IEEE Computer Society, (2010)
- APSEC, page 3-12. IEEE Computer Society, (2010)
- Proc. Fifth International Conference on Quality Software QSIC 2005, page 223--230. (July 2006)
- Proc. th IEEE International Conference Requirements Engineering, page 189--198. (November 2006)
- ENASE, page 13-22. INSTICC Press, (2008)
- IEICE Transactions 93-D(4):702-712 (2010)
- ASE, page 674-676. IEEE Computer Society, (2009)
- APCCM, volume 96 of CRPIT, page 87-96. Australian Computer Society, (2009)
- 2008/18. Computing Dep., The Open University, (December 2008)
- ICSOFT 1, page 105-114. INSTICC Press, (2009)
- Advances in Conceptual Modeling – Foundations and Applications ER workshops, page 225--234. (2007)
- MoDELS Workshops, volume 5421 of Lecture Notes in Computer Science, page 185-196. Springer, (2008)
- APCCM, volume 96 of CRPIT, page 87-96. Australian Computer Society, (2009)
- SAC, page 399-400. ACM, (2009)
- ICSOFT SE, page 73-80. INSTICC Press, (2007)
- RE, page 3-12. IEEE Computer Society, (2008)


author