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5th European Conference on software architecture, ECSA 2011 - Workshop on Traceability, Dependencies and software architecture, TDSA 2011, 1st International Workshop on software architecture Variability, SAVA 2011

作者： Galster, Matthias Software Engineering and Architecture Group University of Groningen Netherlands

ISBN: (纸本)9781450306188

Managing dependencies between software development artifacts helps achieve traceability and consistency in software-intensive systems. Traceability supports the alignment between different stakeholder concerns, development artifacts, and various products of the software development process. Consistency ensures that different software development artifacts are used in different parts of a software-intensive system (or in the description of this system), without causing contradictions between the different parts of the system (or its description). In this position paper we explore how software architecture viewpoints and views can help represent dependencies and facilitate traceability and consistency in software architecture. Here, correspondences, which are parts of viewpoint definitions, express consistency, traceability, dependencies, obligations, etc. in the architecture. We provide examples of viewpoints and their mechanisms to support the description of dependencies. Furthermore, based on our experience we discuss challenges that occur when ensuring traceability, consistency, and managing dependencies between software development artifacts, with an emphasis on software architecture elements. Copyright © 2011 ACM.

关键词： software architecture

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1st workshop on variability for qualities in software architecture (VAQUITA)

1st workshop on variability for qualities in software archit...

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European Conference on software architecture Workshops, ECSAW 2015

作者： Alebrahim, Azadeh Fabbender, Stephan Filipczyk, Martin Goedicke, Michael Heisel, Maritta Zdun, Uwe Paluno-The Ruhr Institute for Software Technology Working Group Software Engineering University of Duisburg-Essen Germany Research Group Software Architecture University of Vienna Austria

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The notion of variability in software architecture- Results from a preliminary exploratory study 11

The notion of variability in software architecture- Results ...

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Proceedings of the 5th International Workshop on Variability Modeling of software-Intensive Systems

作者： Galster, Matthias Avgeriou, Paris Software Engineering and Architecture Group Department of Mathematics and Computer Science University of Groningen Netherlands

ISBN: (纸本)9781450305709

Context: In the software product line domain, the concept of variability is well recognized. However, variability in the context of software architecture still seems to be poorly understood. Objective: In this paper, we aim at contributing to the development of a basic understanding of the notion of variability in the software architecture domain, beyond the idea of product lines. Method: We perform a preliminary exploratory study which consists of two parts: an expert survey among 11 subjects, and a mini focus group with 4 participants. For both parts, we collect and analyze mostly qualitative data. Results: Our observations indicate that there seems to be no common understanding of "variability" in the context of software architecture. On the other hand, some challenges related to variability in software architecture are similar to challenges identified in the product line domain. Conclusions: Variability in software architecture might require more theoretical foundations in order to establish "variability" as an architectural key concept and first-class quality attribute. Copyright 2011 ACM.

关键词： software architecture

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Understanding and addressing the essential costs of evolving systems

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BELL LABS TECHNICAL JOURNAL 2000年第2期5卷 44-54页

作者： Davison, JW Mancl, DM Opdyke, WF AMPS/PCS Software Engineering Department Lucent Technologies/Bell Labs Naperville Illinois Software Development Environment Group Software Process and Test Technology Department Bell Labs Murray Hill New Jersey Intelligent Network Architecture and Internet Software Department Lucent Technologies/Bell Labs Naperville Illinois

A major attribute of telecommunications software systems is change. For evolving telecom systems, significant expertise is needed to effectively handle and capitalize on these changes. This paper discusses some of the key dimensions of change that occur during telecom systems software development, the areas of expertise that software developers apply in managing these changes, and some of the means by which high-performing project members have overcome the learning curves associated with these systems. We base our results on data gathered from several Bell Labs multiyear development projects and interviews with experienced staff.

关键词： software engineering

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Measuring technology effects on software change cost

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BELL LABS TECHNICAL JOURNAL 2000年第2期5卷 7-18页

作者： Atkins, DL Mockus, A Siy, HP Software Production Research Department Bell Labs Eugene Oregon Software Production Research Department Bell Labs Naperville Illinois Switching Architecture Performance and Engineering Department Lucent's Service Provider Networks Group Naperville Illinois

We describe a methodology for precise quantitative measurement of technology impact on software change effort. The methodology employs measures of small software changes to determine the effect of technology. We illustrate this approach in a detailed case study on the impact of using two particular technologies-a version-sensitive source code editor and a domain-engineered application environment-in a telecommunications product In both cases, the change effort was reduced. The methodology can precisely measure cost savings in change effort and is simple and inexpensive, since it relies on information automatically collected by Version control systems.

关键词： software engineering

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Enhancing root cause analysis with runtime models and interactive visualizations 8

Enhancing root cause analysis with runtime models and intera...

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8th Workshop on Models @ Run.time, MRT 2013 - Co-located with 16th International Conference on Model Driven engineering Languages and Systems, MODELS 2013

作者： Szvetits, Michael Zdun, Uwe Software Engineering Group Information Technology Institute University of Applied Sciences Wiener Neustadt Germany Software Architecture Group Faculty of Computer Science University of Vienna Austria

Recent research shows that runtime models can be used to build dynamic systems coping with changing requirements and execution environments. As software systems are getting bigger and more complex, locating malfunctioning software parts is no trivial task because of the vast amount of possible error sources and produced logging information. This information has to be traced back to faulty components, which often leads to editing of code scattered over different software artefacts. With such a fragmented view, challenges arise in finding out the root cause of the unwanted software behaviour. In this paper we propose the usage of runtime models in combination with model-driven techniques and interactive visualizations to ease tracing between log file entries and corresponding software artefacts. The contribution of this paper is a repository-based approach to augment root cause analysis with interactive tracing views while maximizing reusability of models created during the software development process.

关键词： Reusability

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Scalable multi-core simulation using parallel dynamic binary translation

Scalable multi-core simulation using parallel dynamic binary...

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2011 11th International Conference on Embedded Computer Systems: architectures, Modeling and Simulation, IC-SAMOS 2011

作者： Almer, Oscar Böhm, Igor Von Koch, Tobias Edler Franke, Björn Kyle, Stephen Seeker, Volker Thompson, Christopher Topham, Nigel Institute for Computing Systems Architecture University of Edinburgh United Kingdom Software Engineering for Embedded Systems Group Technical University Berlin Germany

ISBN: (纸本)9781457708008

In recent years multi-core processors have seen broad adoption in application domains ranging from embedded systems through general-purpose computing to large-scale data centres. Simulation technology for multi-core systems, however, lags behind and does not provide the simulation speed required to effectively support design space exploration and parallel software development. While state-of-the-art instruction set simulators (Iss) for single-core machines reach or exceed the performance levels of speed-optimised silicon implementations of embedded processors, the same does not hold for multi-core simulators where large performance penalties are to be paid. In this paper we develop a fast and scalable simulation methodology for multi-core platforms based on parallel and just-in-time (Jit) dynamic binary translation (Dbt). Our approach can model large-scale multi-core configurations, does not rely on prior profiling, instrumentation, or compilation, and works for all binaries targeting a state-of-the-art embedded multi-core platform implementing the ARCompact instruction set architecture (Isa). We have evaluated our parallel simulation methodology against the industry standard Splash-2 and Eembc MultiBench benchmarks and demonstrate simulation speeds up to 25,307 Mips on a 32-core 86 host machine for as many as 2048 target processors whilst exhibiting minimal and near constant overhead. © 2011 IEEE.

关键词： Embedded systems

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Consistency checks of design specifications against requirements using graph-based linguistic analysis 16

Consistency checks of design specifications against requirem...

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31st Annual ACM Symposium on Applied Computing, SAC 2016

作者： Niklas, Kai Gärtner, Stefan Schneider, Kurt Talanx Systeme AG Enterprise Architecture Management Hannover Germany Leibniz Universität Hannover Software Engineering Group Hannover Germany

ISBN: (纸本)9781450337397

For the development of complex systems it is important to ensure that design specifications and requirements are consistent. Unfortunately, requirements are often written in natural language and are weakly structured which hinders automatic processing. Manual steps or formal specifications are necessary which are time consuming, error prone and often not suitable for complex systems. We present a graph-based, linguistic method to check the consistency of design specifications against requirements automatically. Our approach is able to propose recommendations to resolve inconsistencies. We evaluated our approach in an industrial setting which demonstrated the practical applicability and usefulness. © 2016 ACM.

关键词： Formal specification

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Combining WS-policy and aspect-oriented programming

Combining WS-policy and aspect-oriented programming

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Advanced International Conference on Telecommunications andInternational Conference on Internet and Web Applications and Services, AICT/ICIW'06

作者： Ortiz, Guadalupe Leymann, Frank Quercus Software Engineering Group University of Extremadura Computer Science Department Spain Institute of Architecture of Application Systems University of Stuttgart Germany

ISBN: (纸本)0769525229

Web Service technologies offer a successful way for interoperability among applications. However, although current approaches are beginning to address how to specify non-functional capabilities in Web Services at description level, they have so far failed to propose an acceptable method to decouple the named capabilities from Web Service implementations, resulting in a large amount of code scattered and tangled all over the application. Considering it is our desire to minimize middleware participation in nonfunctional properties management, it is the aim of this paper to describe how aspect-oriented techniques can be used in conjunction with WS-Policy in order to allow the mentioned properties to be completely decoupled at description and implementation level, thus improving their reusability and service maintenance and evolution. © 2006 IEEE.

关键词： Telecommunication services

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Efficient control flow quantification 06

Efficient control flow quantification

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21st Annual ACM SIGPLAN Conference on Object-oriented Programming Systems, Languages, and Applications, OOPSLA 2006

作者： Bockisch, Christoph Kanthak, Sebastian Haupt, Michael Arnold, Matthew Mezini, Mira Software Technology Group Darmstadt University of Technology Germany Software Architecture Research Group Hasso Plattner Institute for Software Systems Engineering Potsdam Germany IBM T. J.Watson Research Center Yorktown Heights NY United States

ISBN: (纸本)1595933484

Aspect-oriented programming (AOP) is increasingly gaining in popularity. However, the focus of aspect-oriented language research has been mostly on language design issues;efficient implementation techniques have been less popular. As a result, the performance of certain AOP constructs is still poor. This is in particular true for constructs that rely on dynamic properties of the execution (e.g., the cflow construct).In this paper, we present efficient implementation techniques for cflow that exploit direct access to internal structures of the virtual machine running an application, such as the call stack, as well as the integration of these techniques into the just-in-time compiler code generation *** results show that AOP has the potential to make programs that need to define control flow-dependent behavior not only more modular but also more efficient. By making means for control flow-dependent behavior part of the language, AOP opens the possibility of applying sophisticated compiler optimizations that are out of reach for application programmers. Copyright © 2006 ACM.

关键词： Object oriented programming

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