Relatively cheap and widely available wireless data communication services are available to the mass-market. Within the coverage of the cellular network used,the vision of information access for `everyone, anytime, anywhere' has become reality. A Global Information Visualization environment can be imagined where the vision of `All information at your fingertip' is reality. In this environment, every information, data, or tool available on any computer connected to the global network is directly accessible to the user. However because of the low bandwidth of wireless networks and the limited resources of mobile hardware, the handling of highly interactive distributed multimedia applications faces severe problems. The objective of `Mobile Visualization' is to provide effective solutions to these problems. This paper discusses the relevant aspects of systems and data models for Mobile Visualization and tries to provide an integrative view on the field based on the vision of Global Informa...

. Today'sworld wide distributed information systems, like, e.g., the World Wide Web, enable the homogeneous, simple access to all kinds of globally distributed scientific data (images, graphics, simulation results, etc.) and services. At the same time, wireless data communication enables location independent data access from mobile computing systems. An interesting challenge is the generalization and integration of both concepts, providing mobile access to scientific and multimedia data in a unified, globally distributed repository, the "Infoverse". The focus of the MOVI project outlined in this paper is the location independent visualization of scientific and other multimedia data accessible in the Infoverse. This scenario is met by mobile computers like laptops or palmtops, being connected via wireless networks to communication servers, as well as by mobile users accessing the Infoverse through stationary "telephone cell" computers. This paper describes first concepts of a system arc...

this document is based on NewtonScript [7], using the following conventions: The notation "{s i : v i ,. . . }" denotes a frame with slots s i , which have values v i . "[v i ,. . . ]" is a list of values v i . It is now very interesting that frame structures can be used for the definition of interactive applications. The most prominent example for this is probably NewtonScript [7]. This means, frames integrate a powerful end-user data model and a means for defining non-trivial interactive applications. Consequences are: