- Springer, London, (2011)
- IEEE Pervasive Computing 10(2):16-18 (2011)
- Springer, London, (2011)
- Computer 44(4):22-28 (2011)
- Computer 44(5):38-45 (2011)
- Personal and Ubiquitous Computing 15(3):305-314 (March 2011)
- Personal and Ubiquitous Computing 15(4):399-408 (April 2011)
- Personal and Ubiquitous Computing 15(4):329-339 (April 2011)
- Journal of Computer Science and Technology (March 2011)
- Multimedia Tools and Applications 53(2):391-429 (June 2011)
- Communications of the ACM 54(1):132-138 (January 2011)
- New York, ACM, (2010)
- Communications of the ACM 53(12):13–15 (December 2010)
- IEEE Software 28(1):77-86 (2011)
- Personal and Ubiquitous Computing 15(1):97-111 (January 2011)
- Multimedia Tools and Applications (January 2011)
- Multimedia Tools and Applications 51(1):379-396 (January 2011)
- Personal and Ubiquitous Computing 14(4):301-320 (May 2010)
- Personal and Ubiquitous Computing 14(7):609-620 (2010)
- Journal on Multimodal User Interfaces 4(1):3-10 (2010)


user