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Distributed Active Objects -- A Systemic Approach to Distributed Mobile Applications

Authors: Daniel Graff; Jan Richling; Tammo M. Stupp; Matthias Werner;

Distributed Active Objects -- A Systemic Approach to Distributed Mobile Applications

Abstract

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.

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    influence
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    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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Powered by OpenAIRE graph
Found an issue? Give us feedback
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).
BIP!Citations provided by BIP!
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.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
5
Average
Top 10%
Average
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