Model-driven development of context-aware web services

Abstract

Context awareness refers to the apability of an appli ation or a servi e being aware of its physi al environment or situation (i.e., ontext) and responding proa tively and intelligently based on such awareness (1, 7, 11). With recent developments in omputer hardware, software, networking, and sensorte hnologies, ontext awareness be omes one of the most exiting trends in omputing today that holds the potential to make our daily lives more produ tive, onvenient, and enjoyable. For example, atour-guide servi e gives tourists suggestions on the attra tions to visit by onsidering their urrent locations, preferen es, and even the prevailing weather onditions.