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Typus
Verschleierung
Bearbeiter
Hindemith
Gesichtet
Yes.png
Untersuchte Arbeit:
Seite: 42, Zeilen: 1-8, 13-46
Quelle: Vazquez 2007
Seite(n): 25, 26, 27, 28, Zeilen: 25: 10 ff.; 26: 1 ff.; 27: 1 ff.; 28: 13 ff.
[- Lightness: The architectural elements and software components in particular should be designed in such a way that they could be easily embedded] in resource-constrained systems, i.e. medical or mobile devices, as well as promote operational simplicity if possible.

Technological

- Standards Adherence: It represents the degree to which the envisaged system reuses and applies the widely accepted standards, thus taking advantage of previous R&D work and promoting re-usability in the industry and academia. The intention behind our research is to create new original work by assuring the highest possible degree of standards adherence. [...] - Technological Consistency: It represents the degree of coherence among the technologies used for the development of a system. The complementary technologies must be applied, if possible, in order to obtain synergistic performance and future re-usability.

Intelligence

- Reasoning Capability: It is the ability of the system to acquire and apply knowledge via reasoning (inferencing) process. In order to create the next generation of ambient intelligent medical or mobile devices, artificial intelligence techniques must be applied to a certain degree.

- Context-Awareness: In simple terms, it is the ability of the system to perceive and identify the relevant information from an environment and actively respond according to the defined rules. Context-awareness is inevitably required to meet the ultimate goals of ubiquitous computing and ambient intelligent environments.

The above-mentioned criteria are not completely isolated, rather certain dependencies exist among some of them in such a way that the degree of fulfillment in one concrete criterion can affect the other in a positive or negative manner. A high degree of decentralization favors the design of distributed lightweight components, instead of a bulky and heavy central controller. Lightweight components make the actual implementation feasible, but they also reduce the degree and quality of the embedded reasoning processes, which normally demand some amount of software complexity. The Reasoning Capability affects lightness negatively in the same way, since the more reasoning power the device is provided with, the heavier the component becomes. However, it promotes the context-awareness and autonomy, which can take advantage of the built-in intelligence to react accordingly. The Context-Awareness promotes autonomy, since architectural components can self-regulate their behavior depending on the context information provided by the surrounding entities. The Technological Consistency can significantly reinforce APIs reusability during the implementation, thus promoting more lightweight components that would be negatively affected by mixing up non-complementary technologies. At the same time, we consider that technological consistency simplifies the overall design by taking advantage of the existing mechanisms, procedures and interfaces.

Not all these criteria are equally important, but depending on the desired strengths of the resulting architecture, some of them must be promoted. We will focus primarily on maximizing decentralization, reasoning capability, lightness and standards adherence, [and, in a lesser extent, technological consistency and context-awareness.]

Lightness: architectural elements and software components in particular should be designed in such a way that they can be easily embeddable in resource-constrained platforms and devices, as well as promote operational simplicity if possible.

Intelligence

Reasonability: is the ability of the system to acquire and apply knowledge via reasoning processes. In order to create the intelligence-enabling component of any smart device or environment, artificial intelligence techniques must be applied to a certain degree.

Context-awareness: is the ability of the system to perceive and identify relevant information and perform reactive behaviour to provide the desired response. Intelligent context-awareness is the ultimate goal of Ubiquitous Computing and Ambient Intelligence.

[...]

Technological

Technological consistency: represents the degree of coherence among the technologies used in a system. If possible, complementary technologies must be applied in order to obtain synergistic performance and future reusability. For example, transporting XML messages over HTTP is more natural, standardised and desirable than doing it over CORBA.

[Seite 26]

Standards adherence: represents the degree to which the designed system reuses and applies widely accepted standards, thus taking advantage of previous works and promoting skill reuse within the industry and academia. It is a major intention of our research to create new original work while assuring the highest possible degree of standards adherence.

[...]

These criteria are not isolated. Certain dependencies exist among some of them in such a way that the degree of fulfilment in one concrete criterion can affect other in a positive or negative manner. These dependencies are illustrated in Figure 2.1, where rows represent influencing criteria while columns represent influenced criteria.

First, a high degree or decentralisation favours the design of distributed lightweight components, instead of a bulky and heavy central controller. Decentralisation also promotes a higher level of autonomy in architectural elements while reducing the scenario deployment cost, since environments are created by the emergent coordination of distributed elements.

Lightweight components make feasible the actual implementation and promote a lower device implementation cost, but they also reduce the degree and quality of the embedded reasoning processes which normally demand some amount of software complexity. Reasonability affects lightness negatively in the same way, since the more reasoning power the device is provided with, the heavier the component becomes. In a similar way, hosting reasoning processes in constrained devices increases their costs and the efforts in terms of specialised workforce to implement these features. However, reasonability promotes both

[Seite 27]

context-awareness and autonomy, which can take advantage of the builtin intelligence to better determine the behaviour to perform.

Context-awareness promotes autonomy, since architectural components can self-regulate their behaviour depending on context information provided by surrounding entities. The penalty for achieving a greater degree of awareness is, as usual, a higher device implementation cost.

[...]

Technological consistency can significantly reinforce APIs reusability during the implementation, thus promoting more lightweight components that would be negatively affected by mixing up non-complementary technologies. At the same time, we consider that technological consistency simplifies overall design by taking advantage of existing mechanisms, procedures and interfaces, thus reducing somehow the device implementation costs.

[Seite 28]

Not all these criteria are equally important, but depending on the desired strengths of the resulting architecture some of them must be promoted. We will focus primarily on maximising decentralisation, reasonability, contextawareness and, in a lesser extent, technological consistency.

Anmerkungen

Ein Verweis auf die Quelle fehlt.

In der untersuchten Arbeit findet man eine angepasste und gekürzte Version der entsprechenden Passage in der ungenannten Quelle.

Sichter
(Hindemith), SleepyHollow02

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