Girier,Y., Honda,K., Nakagawa,H., Tahara,Y., and Ohsuga,A., “Visual-K: A Prototype for a Visualization Tool Modeling Goal-Oriented RE Methodology KAOS”, Proc. The 2nd International Conference on Measurement and Control Engineering (ICMCE 2011) pp315-326 (2011.10)

Hamamoto,K., Tahara,Y., and Ohsuga,A.,”Methods for Privacy Protection Considering Status of Service Provider and User Community”,Proc. The 16th Nordic Conference in Secure IT Systems (NordSec2011) (2011.10).