When designing automated systems that make decisions about when to allow or deny interruptions, the methods of professional interruption mediators are an important source of infor...
In this paper, we discuss and compare two user centred methods applied in concept design: observation and probes. The comparison is based on findings from two case studies. In the...
This paper describes a method for manipulating a threedimensional object without considering conventional three independent orthogonal views. We apply the direct manipulation to o...
Cleogo is a novel groupware environment that allows several users to simultaneously develop programs through any mixture of three alternative programming metaphors: a direct manip...
This paper describes the teleradiology application CHILI from the graphical user interface point of view. We present the most important design decisions taken during the construct...