—The adoption of portable wireless devices is rapidly rising. The demand for efficient communication protocols amongst these devices is pressing. In this paper, we present a con...
Abstract— A location tracking sensor network is being deployed in several buildings at the University of Michigan to help explore issues in design of pervasive environments. Mana...
Abstract. One important problem for such public broadcast LBS is to enforce access control on a large number of subscribers. In such a system a user typically subscribes to a LBS f...
How to structure diverse (documentation) information sources of an enterprise and how to arrange a workflow with access control are two important issues for online authoring and p...
Zhongdong Zhang, Ernst Georg Haffner, Andreas Heue...