In the grid architecture, a grid workflow system is a type of high-level grid middleware which is supposed to support modelling, redesign and execution of large-scale sophisticate...
Computational grids are now widespread, but their large-scale behaviour is still poorly understood. We report on some calculations of loading, scaling and utilisation behaviours o...
Abstract Questionnaires are nowadays widely used usability evaluation instruments, and several generic usability questionnaires are available. But these generic artifacts are not a...
The history of the human race is one of increasing intellectual capability. Since the time of our early ancestors, our brains have gotten no bigger; nevertheless, there has been a...
Abstract. Mobile devices are increasingly aware of their respective locations and vicinity and tend to communicate rather loosely with each other; therefore asynchronous communicat...
Christian P. Kunze, Sonja Zaplata, Winfried Lamers...