This paper explores the embodied interactional ways in which people naturally collaborate around and share collections of photographs. We employ ethnographic studies of paper-base...
Design is a ubiquitous activity. The complexity of design problems requires communities rather than individuals to address, frame, and solve them. These design communities have to...
How can the documentation of concepts for complex sociotechnical systems, such as the adoption of groupware, be incorporated into practices of PD? Documents are important in suppo...
Thomas Herrmann, Gabriele Kunau, Kai-Uwe Loser, Na...
To compare the outcomes of participatory and user-centered contextual design, case study methods and the Activity Checklist derived from Activity Theory are used to analyze two sy...
Logical systems in natural deduction style are usually presented in the Gentzen style. A different definition of natural deduction, that corresponds more closely to proofs in ord...