Yamabe, T., Lehdonvirta, V., Ito, H., Soma, H., Kimura, H., & Nakajima, T. (2010) Activity-Based Micro-pricing: Realizing Sustainable Behavior Changes through Economic Incentives. In: T. Ploug, P. Hasle and H. Oinas-Kukkonen (eds), Proceedings of the 5th International Conference on Persuasive […]
Yamabe, T., Lehdonvirta, V., Ito, H., Soma, H., Kimura, H., & Nakajima, T. (2009) Applying Pervasive Technologies to Create Economic Incentives that Alter Consumer Behavior. Proceedings of the 11th International Conference on Ubiquitous Computing (Ubicomp 2009), Orlando, Florida, September 30-October […]
Lehdonvirta, V., Soma, H., Ito, H., Yamabe, T., Kimura, H., & Nakajima, T. (2009) UbiPay: Minimizing Transaction Costs with Smart Mobile Payments.Proceedings of the 6th International Conference on Mobile Technology, Application & Systems (Mobility 2009), Nice, France, September 2-4. New […]
Shiraishi, M., Washio, Y., Takayama, C., Lehdonvirta, V., Kimura, H., & Nakajima, T. (2009) Using individual, social and economic persuasion techniques to reduce CO2 emissions in a family setting. In: S. Chatterjee and P. Dev (eds), Proceedings of the 4th […]
Lehdonvirta, V., Soma, H., Ito, H., Kimura, H., & Nakajima, T. (2008) Ubipay: conducting everyday payments with minimum user involvement. CHI ’08 Extended Abstracts on Human Factors in Computing Systems, Florence, Italy, April 5-10. New York: ACM, pp. 3537-3542. [acceptance […]
Nakajima, T., Lehdonvirta, V., Tokunaga, E. & Kimura, H. (2008) Reflecting Human Behavior to Motivate Desirable Lifestyle. In: G. Marsden, I. Ladeira and P. Kotze (eds), Proceedings of the 7th ACM Conference on Designing Interactive Systems (DIS 2008), Cape Town, […]
Nakajima, T., Kimura, H., Yamabe, T., Lehdonvirta, V., Takayama, C., Shiraishi, M. & Washio, Y. (2008). Using Aesthetic and Empathetic Expressions to Motivate Desirable Lifestyle. Proceedings of Smart Sensing and Context, Third European Conference (EuroSSC 2008), Zurich, Switzerland, October 29-31 […]
Nakajima, T., Lehdonvirta, V., Tokunaga, E., Ayabe, M., Kimura, H., & Okuda, Y. (2007) Lifestyle Ubiquitous Gaming: Making Daily Lives More Plesurable. 13th IEEE International Conference on Embedded and Real-Time Computing Systems and Applications (RTCSA 2007), Daegu, Korea, August 21-24, […]
Lehdonvirta, V. (2005) Real-Money Trade of Virtual Assets: Ten Different User Perceptions. Proceedings of Digital Arts and Culture (DAC 2005), Copenhagen, Denmark, December 1-3, pp. 52-58.
Lehdonvirta, V. (2005) Real-Money Trade of Virtual Assets: New Strategies for Virtual World Operators. Proceedings of the 2005 Conference on Future Play (Future Play 2005), Lansing, MI, USA, October 13-15.