Zavala, L., P. K. Murukannaiah, N. Poosamani, T. Finin, A. Joshi, I. Rhee, and M. P. Singh. “Platys: From Position to Place-Oriented Mobile Computing”. AI Magazine, vol. 36, no. 2, June 2015, pp. 50-62, doi:10.1609/aimag.v36i2.2584.