This paper introduces a mechanism for establishing policies for electronic commerce in a uni ed and secure manner. A commercial policy can be viewed as the embodiment of a contrac...
In this paper we present a new model for predicting text entry speed on a 12-button mobile phone keypad. The proposed model can predict the performance of novice users. Like other...
In this paper we describe a new framework for the tracking of closed curves described through implicit surface modeling. The approach proposed here enables a continuous tracking al...
Human interaction occurs always in a specific context and in a particular environment, and a common knowledge base about them is essential for understanding each other. By immersi...
In many ubiquitous computing (ubicomp) applications, such as smart classrooms, hospitals, construction sites, stadiums, shopping malls, emergency services, law enforcement, conven...