L. Aalto, N. Göthlin, J. Korhonen, and T. Ojala. MobiSys '04: Proceedings of the 2nd international conference on Mobile systems, applications, and services, page 49--58. New York, NY, USA, ACM Press, (2004)
I. Abraham, D. Malkhi, and O. Dobzinski. SODA '04: Proceedings of the fifteenth annual ACM-SIAM symposium on Discrete algorithms, page 550--559. Philadelphia, PA, USA, Society for Industrial and Applied Mathematics, (2004)
S. Ratnasamy, M. Handley, R. Karp, and S. Shenker. INFOCOM 2002. Twenty-First Annual Joint Conference of the IEEE Computer and Communications Societies. Proceedings. IEEE, 3, page 1190- 1199 vol.. (2002)
J. Li, J. Jannotti, D. Couto, D. Karger, and R. Morris. MobiCom '00: Proceedings of the 6th annual international conference on Mobile computing and networking, page 120--130. New York, NY, USA, ACM, (2000)
C. van Aart, B. Wielinga, and W. van Hage. Knowledge Engineering and Management by the Masses, volume 6317 of Lecture Notes in Computer Science, Springer, Berlin / Heidelberg, (2010)
P. Klante, J. Krösche, and S. Boll. Computers Helping People with Special Needs, volume 3118 of Lecture Notes in Computer Science, Springer, Berlin / Heidelberg, (2004)