- Personal Ubiquitous Comput. (March 2006)
- ICLS 3, page 354-359. International Society of the Learning Sciences, (2008)
- ICCE, page 964-968. (2002)
- IACR Cryptology ePrint Archive (2009)
- IEEE Pervasive Computing 4(2):28-34 (2005)
- TAAS 6(3):21 (2011)
- EDM, page 349-350. www.educationaldatamining.org, (2011)
- ACM TIST 2(4):38 (2011)
- ECCV 2, volume 3022 of Lecture Notes in Computer Science, page 591-602. Springer, (2004)
- Ubicomp, volume 2864 of Lecture Notes in Computer Science, page 289-296. Springer, (2003)
- AIED, volume 6738 of Lecture Notes in Computer Science, page 345-352. Springer, (2011)
- Geology 32(11):949--952 (Nov 1, 2004)
- I. J. Robotic Res. 30(4):407-430 (2011)
- JAMIA 16(6):784-791 (2009)
- Personal Ubiquitous Comput. (March 2006)
- SIGSOFT FSE, page 3-4. ACM, (2010)
- AI Magazine 31(3):115-122 (2010)
- J. Comp. Assisted Learning 21(3):229-237 (2005)
- Science 326(5958):1394--1397 (Dec 4, 2009)
- Pervasive and Mobile Computing 6(4):435-454 (2010)


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