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2009
Conference Paper
Tracking behavior in persuasive apps: is sensor-based detection always better than user self-reporting?
Miyuki Shiraishi, Yasuyuki Washio, Chihiro Takayama, Vili Lehdonvirta, Hiroaki Kimura, and Tatsuo Nakajima
CHI EA '09: Proceedings of the 27th international conference extended abstracts on Human factors in computing systems , New York, NY, USA, ACM, pp. 4045–4050, 2009.
Abstract  Download: p4045-shiraishi.pdf (4.12 MB)
Using individual, social and economic persuasion techniques to reduce CO2 emissions in a family setting
Miyuki Shiraishi, Yasuyuki Washio, Chihiro Takayama, Vili Lehdonvirta, Hiroaki Kimura, and Tatsuo Nakajima
Persuasive '09: Proceedings of the 4th International Conference on Persuasive Technology , Claremont, California, ACM, pp. 1–8, 2009.
Abstract
Applying Pervasive Technologies to Create Economic Incentives that Alter Consumer Behavior
Tetsuo Yamabe, Vili Lehdonvirta, Hitoshi Ito, Hayuru Soma, Hiroaki Kimura, and Tatsuo Nakajima
11th International Conference on Ubiquitous Computing (Ubicomp 2009) , 2009.
 Download: ubi337-yamabe_v2.pdf (783.03 KB)
UbiPay: Minimizing Transaction Costs with Smart Mobile Payments
Vili Lehdonvirta, Hayuru Soma, Hitoshi Ito, Tetsuo Yamabe, Hiroaki Kimura, and Tatsuo Nakajima
Proceedings of the International Conference on Mobile Technology, Applications, and Systems (Mobility 2009) , 2009.
2008
Conference Paper
Using Aesthetic and Empathetic Expressions to Motivate Desirable Lifestyle
Tatsuo Nakajima, Hiroaki Kimura, Tetsuo Yamabe, Vili Lehdonvirta, Chihiro Takayama, Miyuki Shiraishi, and Yasuyuki Washio
EuroSSC , pp. 220-234, 2008.
Abstract  Download: 2008_EuroSSC.pdf (3.17 MB)
Ubipay: conducting everyday payments with minimum user involvement
Vili Lehdonvirta, Hayuru Soma, Hitoshi Ito, Hiroaki Kimura, and Tatsuo Nakajima
CHI '08: CHI '08 extended abstracts on Human factors in computing systems , New York, NY, USA, ACM, pp. 3537–3542, 2008.
Abstract  Download: 2008_CHI.pdf (270.82 KB)
Reflecting human behavior to motivate desirable lifestyle
Tatsuo Nakajima, Vili Lehdonvirta, Eiji Tokunaga, and Hiroaki Kimura
DIS '08: Proceedings of the 7th ACM conference on Designing interactive systems , New York, NY, USA, ACM, pp. 405–414, 2008.
Abstract  Download: 2008_DIS.pdf (5.15 MB)
Poster
Using Aesthetic Presentation to Motivate Desirable Lifestyle
Hanae Suzuki, Teruhide Kusaka, Chiharu Waki, Hiroaki Kimura, Vili Lehdonvirta, and Tatsuo Nakajima
Persuasive 2008 , 2008.
2007
Conference Paper
Lifestyle Ubiquitous Gaming: The Use of Daily Objects for Persuading Players
Hiroaki Kimura, Vili Lehdonvirta, Yohei Okuda, and Tatsuo Nakajima
DIPSO: workshop in conjunction with Ubicomp2007 , 2007.
Effecting lifestyle changes through ubiquitous feedback systems
Masaaki Ayabe, Yohei Okuda, Vili Lehdonvirta, Eiji Tokunaga, Hiroaki Kimura, and Tatsuo Nakajima
The 4th International Symposium on Pervasive Gaming Applications , vol. 2007, 2007.
Journal Article
Lifestyle Ubiquitous Gaming: Making Daily Lives More Plesurable
Tatsuo Nakajima, Vili Lehdonvirta, Eiji Tokunaga, Masaaki Ayabe, Hiroaki Kimura, and Yohei Okuda
Real-Time Computing Systems and Applications, International Workshop on , Los Alamitos, CA, USA, IEEE Computer Society, pp. 257-266, 2007.
Abstract