The design and development of cooperative Internet applications based on mobile agents require appropriate modelling of both the physical space where agents roam and the conceptual space of mobile agent interaction. The paper discusses how an open, Internet-based, organisation network can be modelled as a hierarchical collection of locality domains, where agents can dynamically acquire informat...

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This article is about one feature which was partly introduced 30 years ago with the development of multi windows operating systems. It is about the movability of screen objects not according to some predetermined algorithm but by the direct user action. Many years ago it was introduced on a very limited basis and nothing was improved since then. Smartphones and tablets give direct access to scr...

A new approach to support the development of distributed software systems is outlined. As far as static aspects are concerned, standard object-oriented design methods are used. Dynamic aspects like status of services or resource handling in objects and methods, however, play the key role in distributed systems. The main contribution of the approach is a method which puts the focus on these aspe...

Design: Cross-sectional study of pediatric encounters motivated by cold symptoms between October 1, 2000, and June 30, 2001. Each encounter was videotaped. Physicians completed a postvisit survey that measured whether they perceived the parent as expecting antibiotics. Coded communication variables were merged with survey variables. Multivariate analyses identified key predictors of parent-phys...