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Programming --- 681.3*D211 --- Application software --- Software architecture --- Architecture, Software --- Computer software --- Computer software architecture --- Development of application software --- Software architectures: data abstractio, domain-specific architectures, information hiding, languages (e.g. description, interconnection, definition), patterns (e.g. client/server, pipeline, blackboard) --- Development --- Architecture --- Design

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Computer science --- Computer architecture. Operating systems --- Computer. Automation --- informatica --- maatschappij --- computerbesturingssystemen --- programmeren (informatica) --- software engineering --- computernetwerken

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Although the quality of a system’s software architecture is one of the critical factors in its overall quality, the architecture is simply a means to an end, the end being the implemented system. Thus the ultimate measure of the quality of the software architecture lies in the implemented system, in how well it satis?es the system and project requirements and constraints and whether it can be maintained and evolved successfully. In order to treat design as a science rather thananart,weneedtobeabletoaddressthequalityofthesoftwarearchitecture directly, not simply as it is re?ected in the implemented system. Therefore, QoSA is concerned with software architecture quality directly by addressing the problems of: – Designing software architectures of good quality – De?ning, measuring, evaluating architecture quality – Managing architecture quality, tying it upstream to requirements and do- stream to implementation, and preserving architecture quality throughout the lifetime of the system Cross-cutting these problems is the question of the nature of software archit- ture. Software architecture organizes a system, partitioning it into elements and de?ning relationships among the elements. For this we often use multiple views, each with a di?erent organizing principle.

Computer software --- Computer architecture --- Logiciels d'ordinateurs --- Ordinateurs --- Logiciels --- Congresses. --- Quality control --- Congrès --- Architecture --- Qualité --- Contrôle --- Software architecture --- Component software --- Computer Science --- Engineering & Applied Sciences --- Reliability --- BPB1002 --- 681.3*D211 --- Software architectures: data abstractio, domain-specific architectures, information hiding, languages (e.g. description, interconnection, definition), patterns (e.g. client/server, pipeline, blackboard) --- Architecture, Software --- Computer software architecture --- Design --- Computer science. --- Computer communication systems. --- Computer system failures. --- Software engineering. --- Computer logic. --- Computers and civilization. --- Computer Science. --- Software Engineering/Programming and Operating Systems. --- System Performance and Evaluation. --- Software Engineering. --- Logics and Meanings of Programs. --- Computer Communication Networks. --- Computers and Society. --- Civilization and computers --- Civilization --- Computer science logic --- Logic, Symbolic and mathematical --- Computer software engineering --- Engineering --- Computer failures --- Computer malfunctions --- Computer systems --- Failure of computer systems --- System failures (Engineering) --- Fault-tolerant computing --- Communication systems, Computer --- Computer communication systems --- Data networks, Computer --- ECNs (Electronic communication networks) --- Electronic communication networks --- Networks, Computer --- Teleprocessing networks --- Data transmission systems --- Digital communications --- Electronic systems --- Information networks --- Telecommunication --- Cyberinfrastructure --- Electronic data processing --- Network computers --- Informatics --- Science --- Failures --- Distributed processing --- Computer system performance. --- Logic design. --- Design, Logic --- Design of logic systems --- Digital electronics --- Electronic circuit design --- Logic circuits --- Machine theory --- Switching theory

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Much of a software architect’s life is spent designing software systems to meet a set of quality requirements. General software quality attributes include scalability, security, performance or reliability. Quality attribute requirements are part of an application’s non-functional requirements, which capture the many facets of how the functional requirements of an application are achieved. Understanding, modeling and continually evaluating quality attributes throughout a project lifecycle are all complex engineering tasks which continue to challenge the software engineering scientific community. While we search for improved approaches, methods, formalisms and tools that are usable in practice and can scale to large systems, the complexity of the applications that the so- ware industry is challenged to build is ever increasing. Thus, as a research community, there is little opportunity for us to rest on our laurels, as our innovations that address new aspects of system complexity must be deployed and validated. To this end the 5th International Conference on the Quality of Software Architectures (QoSA) 2009 focused on architectures for adaptive software systems. Modern software systems must often reconfigure their structure and behavior to respond to continuous changes in requirements and in their execution environment. In these settings, quality models are helpful at an architectural level to guide systematic model-driven software development strategies by evaluating the impact of competing architectural choices.

Computer software --- Software architecture --- Component software --- Computer Science --- Engineering & Applied Sciences --- Quality control --- Reliability --- Information Technology --- Software Engineering --- Software architecture. --- Development. --- Architecture, Software --- Computer software architecture --- Development of computer software --- Software development --- Architecture --- Design --- Computer science. --- Software engineering. --- Computer programming. --- Programming languages (Electronic computers). --- Algorithms. --- Computer logic. --- Computer Science. --- Software Engineering/Programming and Operating Systems. --- Programming Languages, Compilers, Interpreters. --- Programming Techniques. --- Software Engineering. --- Logics and Meanings of Programs. --- Algorithm Analysis and Problem Complexity. --- Informatics --- Science --- Computer science logic --- Logic, Symbolic and mathematical --- Algorism --- Algebra --- Arithmetic --- Computer languages --- Computer program languages --- Computer programming languages --- Machine language --- Electronic data processing --- Languages, Artificial --- Computers --- Electronic computer programming --- Electronic digital computers --- Programming (Electronic computers) --- Coding theory --- Computer software engineering --- Engineering --- Foundations --- Programming --- Logic design. --- Computer software. --- Software, Computer --- Computer systems --- Design, Logic --- Design of logic systems --- Digital electronics --- Electronic circuit design --- Logic circuits --- Machine theory --- Switching theory

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Much of a software architect's life is spent designing software systems to meet a set of quality requirements. General software quality attributes include scalability, security, performance or reliability. Quality attribute requirements are part of an application's non-functional requirements, which capture the many facets of how the functional - quirements of an application are achieved. Understanding, modeling and continually evaluating quality attributes throughout a project lifecycle are all complex engineering tasks whichcontinuetochallengethe softwareengineeringscienti ccommunity. While we search for improved approaches, methods, formalisms and tools that are usable in practice and can scale to large systems, the complexity of the applications that the so- ware industry is challenged to build is ever increasing. Thus, as a research community, there is little opportunity for us to rest on our laurels, as our innovations that address new aspects of system complexity must be deployed and validated. To this end the 5th International Conference on the Quality of Software Archit- tures (QoSA) 2009 focused on architectures for adaptive software systems. Modern software systems must often recon guretheir structure and behavior to respond to c- tinuous changes in requirements and in their execution environment. In these settings, quality models are helpful at an architectural level to guide systematic model-driven software development strategies by evaluating the impact of competing architectural choices.

Complex analysis --- Computer science --- Programming --- Computer. Automation --- complexe analyse (wiskunde) --- computerbesturingssystemen --- programmeren (informatica) --- programmeertalen --- software engineering