1. Aitenbichler, E., Lyardet, F., Austaller, G., Kangasharju, J., Mühlhäuser, M.: Engineering Intuitive and Self-Explanatory Smart Products. In: Proc. 22nd Annual ACM Symp. Applied Computing, pp. 1632–1637. ACM Press, New York (2007)
2. Cardoso, J.: Semantic Web Services: Theory, Tools and Applications. IGI Publishers (2007)
3. Cook, D., Das, S.: Smart Environments: Technology, Protocols, Application. Wiley, Chichester (2004)
4. Cohen, M., Giangola, J., Balogh, J.: Voice User Interface Design. Addison-Wesley, Reading (2004)
5. Das, S., Cook, D.: Designing Smart Environments: A Paradigm Based on Learning and Prediction. In: Shorey, R., Ananda, A., Chan, M.C., Ooi, W.T. (eds.) Mobile, Wireless, and Sensor Networks: Technology, Applications, and Future Directions, pp. 337–358. Wiley, Chichester (2006)