... Vol. 46 No. (1- 2):, pp .1 29. Dey, A. K., (20 01) . Understanding and Using Context. Personal and Ubiquitous Computing, Vol. 5 No. 1, pp. 4–7. Egenhofer, M. J., and Mark, D. M. (19 95): Naive ... map. 11 2 Matteo PALMONARI, Stefania BANDINI of the different approaches and techniques proposed in the QSRR area are given by Cohn and Hazarika (20 01) , by Egenhofer and Mark (19 95), and ... and Artificial Intelligence, Vol. 36 No. (1- 2), pp. 12 1 15 1. Ossowski, S., Hernández, J., Belmonte, M., Maseda, J., Fernandez, A., García-Serrano, A., Triguero Ruiz, F., Serrano, J. M., and...