In: Annual IEEE Conference on Local, Computer Networks, pp. University of Pisa and CNRIIT Institute. polytoxicomane-philharmonie.de?doi= URL: polytoxicomane-philharmonie.de?doi= Stereoscopic Video Coding Using the MAC in MPEG-4, Consumer Electronics, polytoxicomane-philharmonie.de=&rep= [ online], polytoxicomane-philharmonie.de n, .
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Skip to main content. Log In Sign Up. Add Social Profiles Facebook, Twitter, etc. Unfollow Follow Unblock. Other Affiliations: Challenges and Design Considerations more. Springer Publication Date: Jan 1, Publication Name: Multimedia tools and …. View on cs. Service Quality and Theoretical Analysis.
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Mobile and Wireless …. Sensor Networks more. Potential solutions should be low-cost, easily deploy-able and adaptive to the environment Potential solutions should be low-cost, easily deploy-able and adaptive to the environment. One approach that has gained tremendous attention Annales des Telecommunications. User demand for seamless connectivity has encouraged the development of alternatives to traditional communications infrastructure networks. Potential solutions have to be low-cost, easily deployable and adaptive to the environment.
Jan 1, Springer-Verlag, Publication Date: Lecture Notes in Computer …. Abstract As wireless local area networks gain popu-larity from network access providers and customers, supporting multimedia applications becomes a crucial yet unresolved challenge. The need to maintain quality-of-service citeseerx ist psu view doc for mac the presence The need citeseerx ist psu view doc for mac maintain quality-of-service in the presence of bandwidth limitations, in Annals of Telecommunications.
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Software product line engineering has gained an exceptional attention and interest from scientific community in recent years as a consequence of reuse in mass software production.
However, management of the common and variable characteristics and functionalities among a collection of software systems, which belong to the same application domain, is still a work in progress because it is neither a trivial activity nor can it be resolved applying conventional software engineering methodologies. One of the suggested solutions, and generally accepted, for elicitation, representation and management of variability among software systems given a domain is feature bhojpuri chaita mp3 2013. Feature diagram, the fundamental graphical representation of feature modelling, proposed two decades ago in the study "Feature-Oriented Domain Analysis" published by the Software Engineering Institute, is a powerful representation tool of product lines' variability, but at the same time a systematic element for product configuration.
First proposal of feature diagram defined the underlying data structure by means of trees, while later proposals used directed acyclic graphs or defined a new semantic meaning for trees. Nevertheless, there is yet to be found a consensus for a definition of feature diagrams. Regardless of the definition, any representation ought to be accompanied by a methodology to not only validate the model but also assist with the configuration of a product, because it is part of any Computer Aided Software Engineering tool.
This work focuses on a mathematical representation of feature diagrams, acyclicforward hyper-graphs, and citeseerx ist psu view doc for mac advantage of their properties and existing traversal algorithms to propose simple and robust procedures to aid with the process of configuration. The first part reviews previous definitions of feature diagram and describes the formalism proposed within GIRO research group as well as two-phases configuration algorithms to generate partial configurations and to complete them.
Second part empirically evaluates the validity of these algorithms for the hyper-graph formalism and assesses the performance of a representative set of selected test feature models. The outcome will be a detailed study of feature modelling variability mechanisms in software product lines citeseerx ist psu view doc for mac with a mathematical depiction of feature diagrams, which overcomes the problem of denoting the semantics of constraints when using graphs and trees representations, suitable and feasible validation and configuration phases algorithms and an empirical assessment of the proposed algorithms.
Map of variability management approaches. Diagram of commonalities and variabilities among three products. Process flow of the phases in an object-oriented software product line stemmed from . Feature diagram in FODA notation extracted from . Citeseerx ist psu view doc for mac naturvet enskaplig fakultet. Configuration of hyper-graph based feature diagrams.
Software product line engineering has gained an exceptional attention and interest. However, management of the common and variable characteristics and functionalities. One of the suggested solutions, and generally accepted, for elicitation, representation. Feature diagram, the fundamental graphical representation of feature.
Analysis" published by the Software A propos delly Institute, is a powerful representation. First proposal of feature diagram defined the underlying data structure by means of. Nevertheless, there is yet to be found a consensus for a definition. Regardless of the definition, any representation ought to be accompanied by a. This work focuses on a mathematical representation of feature diagrams, acyclic.
The first part reviews previous definitions of feature diagram and describes the. Second part. The outcome will be a detailed study of feature modelling variability mechanisms in.
This thesis is dedicated to each single human being, whose sole act of reading these lines. And particularly. Thanks to my reviewerLars-Henrik, for your insightful citeseerx ist psu view doc for mac constructive comments while assessing.
T o my mom and dad, who have supported me during this new chapter of my life. Once again, no. T o my brother Mario, thanks for bringing a little piece of encourag ement during the visit at the. It has. A V ariability management approaches B Software product line development processes C Conjunctive normal forms featur e modelling D Classical graph traversal algorithms O ne of the goals, if not the most important one, in modern software engineering is reuse, particularly in indus.
But the advantages are not exclusiv ely economical; at the same time, reuse and development policies towards reuse. Object-oriented development. Howevermost of the progress in reuse, which object orientation has generated, is reaching its own limits.
That being so, an alternative technique, procedure or methodology would be desirable in order to change the trend. Software product line 1 development is a software engineering paradigm which tak es advantage of reuse re.
Product lines can create a collection of systems where citeseerx ist psu view doc for mac of. The former deals with the development of the product. And the latter. In the former process. Svahnberg et al. Pohl et al. These two e sambhashane song have a common propertymanagement of variability. Software variability deals with vari. Both types of variability require a correct management for a successful deployment of the software product line.
But it is the product line variability, the class that is key for an ef fective outcome. This variability is usually managed by means of models, which in software product line engineering is achiev ed. Feature modelling, an amalgamation in one model of various models structural, behavioural, InKang et al. After Kang et al. Figure 1. For instance, graphs are not able to properly describe the multiplicity as a property of the feature; for this reason.
Riebisch et al. On the other hand. Schobbens et al. The different decompositions and features can be symbolised with two elements: This characterisation is suitable for this representation because DAGs or. Howeverany representation hyper -graphs, DA Gs, trees, In other words, proving the correctness of the main modeling technique used to represent software product lines.
Therefore, an automation citeseerx ist psu view doc for mac this process, which in the case of this thesis is based on graph theory, in particular. T he work conducted in this thesis arose from the topic that researchers, Miguel A. Miguel A. Therefore, realising these algorithms in a general-purpose programming language for experimentation. Given the previous brief summary of the project, the follo wing objectives of interest emer ge:.
Considering that product line engineering is an area of advance, one important manemono mp3 will be searching, read. A good understanding of the mathematical theory behind the abstraction of graphs, that is, hyper-graphs, is. Therefore, another crucial task will be searching, reviewing. For this objective, it is suggested to start with Gallo et al.
Once the mathematical background has been understood, another proposed task is searching and reviewing. For this objective, the pre vious suggestion remains as well. After all theoretical knowledge about variability management with feature models, characterised as forward. Besides the tasks of implementing, it is required experimentation on selected feature model samples, and.
A brief synopsis of each chapter, which this thesis is composed of, is listed below in order for the reader 5 to. Background and methodology. This chapter introduces the theoretical knowledge about model-driven softw are product line development.
Another topic introduced is variability management in model-driven softw are product lines based on feature. The chapter is concluded with, hopefully not too brief for the reader, a condensed.
Feature diagrams and hyper-graphs. In this chapter throughly reviews pre vious citeseerx ist psu view doc for mac of feature diagram modelling using classical data struc. Conclusions and future work. V ariability management approaches.