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Context-awareness is a key concept in ubiquitous computing. But to avoid developing dedicated context-awareness subsystems for specific application areas there is a need for more generic programming frameworks. Such frameworks can help the programmer develop and deploy context-aware applications faster. This paper describes the Java Context-Awareness(More)
We posit the concept of Mobility Work to describe efforts of moving about people and things as part of accomplishing tasks. Mobility work can be seen as a spatial parallel to the concept of articulation work proposed by the sociologist Anselm Strauss. Articulation work describes efforts of coordination necessary in cooperative work, but focuses, we argue,(More)
Within the community of CSCW the notion and nature of workflow systems as prescriptions of human work has been debated and criticised. Based on the work of Suchman (1987) the notion of situated action has often been viewed as opposed to planning work. Plans, however, do play an essential role in realising work. Based on experiences from designing a computer(More)
This paper reports from a field study of a hospital ward and discusses how people achieve coordination through the use of a wide range of interrelated non-digital artifacts, like whiteboards, work schedules, examination sheets, care records, post-it notes etc. These artifacts have multiple roles and functions which in combination facilitate location(More)
In this paper we explore an activity-centered computing paradigm that is aimed at supporting work processes that are radically different from the ones known from office work. Our main inspiration is healthcare work that is characterized by an extreme degree of mobility, many interruptions, ad-hoc collaboration based on shared material, and organized in(More)
Several CSCW studies have shown that coordination of work in hospitals is particular challenging, and that clinicians put much effort into maintaining mutual awareness on the flow of work. Despite these apparent challenges, very little work has been done to design technology which helps people coordinate highly cooperative work in such a critical setting.(More)
This paper presents the design philosophy of activity-based computing (ABC), which addresses mobility and cooperation in human work activities. Furthermore, it presents the ABC framework, which is a ubiquitous computing infrastructure supporting ABC. The idea of ABC and the aim of the ABC framework is to: (1) support human activity by managing its(More)
Studies have revealed that people organize and think of their work in terms of activities that are carried out in pursuit of some overall objective, often in collaboration with others. Nevertheless, modern computer systems are typically single-user oriented, that is, designed to support individual tasks such as word processing while sitting at a desk. This(More)