
doi: 10.1109/ease.2011.10
Designing cyber-physical systems (CPS) requires consideration of interactions between several computing and non-computing elements and, thus, consideration of concurrency of actions. While concurrency alone is a complexity-introducing and error-prone concept, adding awareness of real time, real space and/or mobility makes things worse: It prohibits to utilize common abstractions, which are usually used in distributed system design to reach transparency. In this paper, we present a concept to achieve a systemic description of location- and motion-aware applications and to make concurrency implicit while guaranteeing location, distribution and motion transparency with respect to the executing system or rather its components. We are doing so by providing a programming and an execution model. The former provides means to separate imperative functional program code and declarative spatio-temporal aspects at application level and, thus, allowing for systemic descriptions of applications. The latter executes the application in a distributed fashion, avoiding explicit communication. We describe our models, present a run-time system and the supporting tool chain, and demonstrate the application of our concept with a simple example.
| selected citations These citations are derived from selected sources. This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | 5 | |
| popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network. | Average | |
| influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | Top 10% | |
| impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network. | Average |
