Demo: ontology-based context-aware delivery of extended points of interest Alessandra Agostini, Claudio Bettini, and Daniele Ribon   View Paper (PDF)   Return to Demo Session Abstract Context-awareness in mobile and ubiquitous computing requires the acquisition, representation and processing of context information which is not limited to the device features, network status, or user location but includes semantically rich data like user preferences and user current activity. ©2006 Association for Computing Machinery