Joe Weakliam Daniel Lynch Julie Doyle Michela Bertolotto David C. Wilson Delivering Personalized Context-Aware Spatial Information to Mobile Devices. 194-205 2005 conf/w2gis/2005 W2GIS http://dx.doi.org/10.1007/11599289_17 db/conf/w2gis/w2gis2005.html#WeakliamLDBW05