What Context Matters? Towards Multidimensional Context Awareness

Context management has been a key technique in Ambient Intelligence applications development, although its use has not attain such success in other environments, such as those evolved from the Web 2.0 paradigm and the ubiquity of the mobile devices, two cases where social relationship information can be used for improving context providing and consuming. This paper proposes a context relevancy vision and a set of context dimensions in order to improve context information processing and distribution.