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It is impossible to design systems which are appropriate for all users and all situations. We believe that a useful technique is to have end users tailor their systems to match their personal work practices. This requires not only systems which can be tailored, but a culture within which users feel in control of the system and in which tailoring is the(More)
At EuroPARC, we have been exploring ways to allow physically separated colleagues to work together effectively and naturally. In this paper, we briefly discuss several examples of our work in the context of three themes that have emerged: the need to support the full range of shared work; the desire to ensure privacy without giving up unobtrusive awareness;(More)
In this paper, we seek to contribute to the Ubiquitous Computing agenda by focusing on one of its earliest, but most difficult, design ambitions - making technology "invisible in use". We draw on field studies of domestic life as this domain is becoming increasingly important for new technologies and challenges many of the assumptions we take for granted in(More)
In order to understand some problems associated with work-flow, we set out an analysis of workflow systems, identifying a number of basic issues in the underlying technology. This points to the conflation of temporal and dependency information as the source of a number of these problems. We describe Freeflow, a prototype which addresses these problems using(More)
SUMMARY This paper reports work being carried out under the AMODEUS project (BRA 3066). The goal of the project is to develop interdisciplinary approaches to studying human-computer interaction and to move towards applying the results to the practicalities of design. This paper describes one of the approaches the project is taking to represent design-Design(More)
Constructs from theoretical psychology can be used to decompose the representational and processing resources of cognition. The decomposition supports “cognitive task analysis” through which user performance can be related to the functioning of resources. Such functional relationships have been formalised and embodied in an expert system. This(More)
We assert that the product of user interface design should be not only the interface itself but also a rationale for why the interface is the way it is. We describe a representation for design based around a semi-formal notation which allows us explicitly to represent alternative design options and reasons for choosing among them. We illustrate the approach(More)