Thomas Pederson Carmelo Ardito Paolo Bottoni Maria Francesca Costabile A General-Purpose Context Modeling Architecture for Adaptive Mobile Services. 208-217 2008 ER Workshops http://dx.doi.org/10.1007/978-3-540-87991-6_26 conf/er/2008w db/conf/er/erw2008.html#PedersonABC08