Most prior works of proactive caching at wireless edge optimize caching policies under the following assumptions: the preference of each user is identical to content popularity, all users request contents with the same active level and at uniformly-distributed locations. In this paper, we investigate what happens without these assumptions. To this end, we establish a framework to optimize cachi...

Existing service discovery protocols are designed to take less consideration of different service qualities. Consequently, after the client discovers the services using specific service type information, selecting the best qualifying one among identical services is left to the user or application developers. This paper proposes a quality of service discovery framework which enables a client to ...

People can adopt many different energy-saving measures, but how can they be encouraged to take action? Recommender systems could offer a solution, but how recommender systems are used and perceived will depend on the level of knowledge people have regarding energy-saving measures. We test an energysaving recommender system that uses Multi-Attribute Utility Theory (MAUT) to recommend energysavin...