A. Dey, D. Salber, G. Abowd, and M. Futakawa. Wearable Computers, 1999. Digest of Papers. The Third International Symposium on, page 21--28. IEEE, (October 1999)
S. Farrell, C. Campbell, and S. Myagmar. CHI '05 extended abstracts on Human factors in computing systems, page 1363--1366. New York, NY, USA, ACM, (2005)
C. Scholz, J. Illig, M. Atzmueller, and G. Stumme. Proceedings of the 25th ACM Conference on Hypertext and Social Media, page 279--284. New York, NY, USA, ACM, (2014)
S. Farnham, P. Brown, and J. Schwartz. Proceedings of the fourth international conference on Communities and technologies, page 235--244. New York, NY, USA, ACM, (2009)
S. Hosio, H. Kukka, and J. Riekki. Proceedings of the 7th International Conference on Mobile and Ubiquitous Multimedia, page 2--7. New York, NY, USA, ACM, (2008)
D. Cox, V. Kindratenko, and D. Pointer. volume 2864 of Lecture Notes in Computer Science, chapter 21, Springer Berlin / Heidelberg, Berlin, Heidelberg, (2003)
F. Xia, N. Asabere, H. Liu, N. Deonauth, and F. Li. Proceedings of the 23rd International Conference on World Wide Web, page 781--786. Republic and Canton of Geneva, Switzerland, International World Wide Web Conferences Steering Committee, (2014)
M. Pham, D. Kovachev, Y. Cao, G. Mbogos, and R. Klamma. Advances in Social Networks Analysis and Mining (ASONAM), 2012 IEEE/ACM International Conference on, page 464--471. IEEE, (August 2012)
E. Minkov, B. Charrow, J. Ledlie, S. Teller, and T. Jaakkola. Proceedings of the 19th ACM International Conference on Information and Knowledge Management, page 819--828. New York, NY, USA, ACM, (2010)