This demonstration presents iPDA, a system to support privacy-preserving data access in location-based mobile services. The iPDA system consists of three main components: 1) a mob...
This paper introduces an adaptive hypermedia system that provides a means for information providers to direct their users through hyperspace. With our system, the information prov...
The World Wide Web (WWW) is fast becoming the central location for goods, services and information. The very factors that make the Internet such a powerful medium combine to make ...
This paper presents a novel concept for personalized privacy support on large public displays. In a first step, a formative evaluation was conducted in order to analyze the require...
Identity management has arisen as a major and urgent challenge for internet-based communications and information services. Internet services involve complex networks of relationshi...