P. Coelho, A. Aguiar, J. C. Lopes. OLBS: Offline Location Based Services. In Khalid Al-Begain, Petros Belimpasakis, Chitra Balakrishna, editors, 5th International Conference on Next Generation Mobile Applications, Services and Technologies, NGMAST 2011, Cardiff, United Kingdom, September 14-16, 2011. pages 70-75, IEEE, 2011. [doi]
Abstract is missing.