Towards semantics of self adaptive software

Clarke active trust management for autonomous adaptive survivable systems. Impacts of kdac on selfadaptive service systems the iot system integration market is expected to increase from 17. It uses the ontology as repository and generate the metadata. Selfadaptivity is the ability of a system to adapt itself dynamically to internal and external changes. In order to mitigate the costs for governing these activities, software systems are expected to dynamically selfadapt. Towards software architecture runtime models for continuous adaptive monitoring mrt 2018, october 2018, copenhagen, denmark corresponding addon component from a third party software manufacturer to the system and wants the component to be represented in the runtime model, too. The emergence of adaptive behavior arises from this selfconstructive nature of the brain, based on the following principles of organization. Towards a requirements speci cation multiview framework. A reference model for governing control objectives and context relevance in selfadaptive software systems.

Mechanisms for leveraging models at runtime in selfadaptive. For self adaptive software, client numbers is adjustable so that more clients can be served and qos is also kept. The idea of selfadaptive software is to implement this common facility of human mind within the framework of the standard logical methods of software. An architecturebased approach to selfadaptive software uci. Although these systems may provide a certain degree of confidence against new environments, their structural and behavioral changes should be validated after adaptation occurs at runtime. This paper argues that there are four levels of requirements engineering for and in a dynamic adaptive system. In this paper, we define self adaptive software sas, discuss paradigms for implementing. Runtime test case synchronization in adaptive software. First international workshop on selfadaptive software paul robertson, robert laddaga, and howie shrobe active software robert laddaga continuous selfevaluation for the selfimprovement of software leon j. Software research seminar sssg institute for software. Assuming any selfadaptive system is composed of a managed system which implements the systems functionality and a managing system the controller, which implements the selfadaptive functionality, such as fig. Towards a taxonomy of adaptive agentbased collaboration patterns for autonomic service ensembles. Self adaptive software should also include a set of components for each major function. Selfadaptive software evaluates its own behavior and changes its behavior when the evaluation indicates that the software does not accomplish what it is intended to do or when better functionality.

Selfadaptive software evaluates its own behavior and changes its behavior when the evaluation indicates that the software does not accomplish what it is intended to do or when better functionality or better performance is possible. C using temporal logic to specify adaptive program semantics. Towards applying machine learning to adaptive transactional memory. In 2009 icse workshop on software engineering for adaptive and selfmanaging systems seams09. Assurance using models at runtime for selfadaptive. It is commonly agreed that a selfadaptive software system is one that can modify itself at runtime due to changes in either the systems requirements or the. Ieee computer society, vancouver, bc, canada, 2141. Tool, ieee transactions on software engineering, vol. Weve pulled over 180 million scientific papers from sources across all fields of science. Most webbased software today usually fixes the number of clients to let the connected clients gain high quality service. Towards semantics of selfadaptive software on evaluating selfadaptive software mapping an application to a control architecture.

Each of these views includes their concepts and associations. Weyns, in managing tradeoffs in adaptable software architectures, 2017. Selfadaptive systems are softwareintensive systems endowed with the ability to respond to a variety of changes that may occur in their environment, goals, or the system itself by adapting their structure and behaviour at runtime in an autonomous way. In this paper, we propose the nise knowledgeintensive software engineering framework for selfadaptive system. Selfadaptive software systems modify their behaviour at runtime in response to changes in the system or its environment. When people perform computations, they routinely monitor their results, and try to adapt and improve their algorithms when a need arises. Very recent technological evolutions of sensor hardware e. Software engineering for selfadaptive systems 2, lncs vol. Selfadaptive software is a relatively new idea aiming at producing applications that can readily adapt in the face of changing user needs, desires and environment. Thus, a key challenge for selfadaptive software systems is assurance. Evaluating the effectiveness of the rainbow selfadaptive system. Janos sztipanovits, gabor karsai, and ted bapty selfadaptive software for signal processing evolving systems in changing environments without growing pains. A controller synthesis algorithm for building self. The idea of self adaptive software is to implement this common facility of human mind within the frameworkof the standard logical methods of software engineering.

The self adaptive approach in software engineering builds on wellknown features like the use of errors and the handling of exceptions in languages like lisp or java and aims at improving the robustness of software systems by gradually adding new features of self adaption and autonomity. The evaluation approaches for selfadaptive systems proposed so far in the scientific literature may be analyzed from various points of view. The idea of self adaptive software is to implement this common facility of human mind within the framework of the standard logical methods of software engineering. Active software 11 robert laddaga continuous selfevaluation for the selfimprovement of software 27 leon j. Towards semantics of selfadaptive software request pdf. For selfadaptive software, client numbers is adjustable so that more clients can be served and qos is also kept. The proposed framework adopts an ontological approach to represent knowledge for the adaptation process. Gracy philip and meenakshi dsouza, safety validation of an embedded realtime system at hardwaresoftware integration test environment, to appear in proc. Towards a metamodel for qualityaware selfadaptive systems design esma maatougui, chafia bouanaka, nadia zeghib lire laboratory university of constantine 2abdelhamid mehri constantine, algeria.

The resulting knowledge base is a promising source for selfadaptive control loops. A new tool for uncovering supplementdrug interactions. Modern software systems are often required to adapt their behavior at runtime in order. Mechanisms for leveraging models at runtime in selfadaptive software. France, bernhard rumpe, 2007, modeldriven development of complex software. Semantic scholar is a free, nonprofit, academic search engine from ai2. The international conference on software engineering icse. Kumar baghel, nitin kulkarni, formal verification of avionics self adaptive software. A conceptual architecture for enabling future self. Specification of the problem transient management in reconfigurable systems modelintegrated embedded systems coordination of view maintenance policy adaptation decisions. However, using security threat to determine detailed sr is quite difficult according to common criteria cc, which is too confusing and technical for nonsecurity specialists. It has drawback regarding the performance of the self adaptive model did not. The idea of selfadaptive software is to implement this common facility of human mind within the framework of the standard logical methods of software engineering. A novel approach for building selfadaptive software based on a controller synthesis algorithm is presented.

The selfadaptive approach in software engineering builds on. Selfexperimental, since to ensure survival, the selfconstructive brain scb is an active machine capable of performing experiments of its own. Our ai analyzes research papers and pulls out authors, references, figures, and topics. Testing the robustness of controllers for selfadaptive. Software research seminar sssg software research seminar syllabus the software research seminar sssg at cmu relies on active participation and a supportive community to help students broaden their understanding of software research and hone their presentation skills. Controllers are complex components incorporated in selfadaptive systems, which are crucial to their function since they are in charge of. Towards semantics of selfadaptive software on evaluating self adaptive software mapping an application to a control architecture. Towards self adaptive dynamic software architecture distributed computing technologies. The idea of selfadaptive software is to implement this common facility of human mind within the framework of the standard logical. Digital signal processing systems are widely used in communication, medical, sonar, radar, equipment health monitoring and many other applications. Selfadaptive software is a response to these demands.

Towards a classification of selfadaptive software systems. The self adaptive approach in software engineering builds on. In this paper, we propose a framework to implement application level selfadaptation capabilities in kpn applications running on nocbased mpsocs. Runtime compositional verification of selfadaptive track.

Adaptive features, as well as many other self ones associated with autonomic computing, are solutions to one or more real world problems in one or more domains spanning intra or interdomain applications. The selfadaptive approach in software engineering builds on wellknown features like the use of errors and the handling of exceptions in languages like lisp or java and aims at improving the robustness of software systems by gradually adding new features of selfadaption and autonomity. Software simulation constitutes an essential mechanism for design time architecture analysis. Selfadaptive software first international workshop. Existing simulators are cumbersome to extend, do not support selfadaptivity or do not scale well. Selfadaptive system an overview sciencedirect topics. Selfadaptive software modifies its own behavior in response to changes in its oper. To guarantee the quality of software, specifying security requirements srs is essential for developing systems, especially for securitycritical software systems.

Pdf the four levels of requirements engineering for and. The major motivation for selfadaptive computing systems is the selfadjustment of the software according to changing environment. Qos contract preservation through dynamic reconfiguration. Software engineering for selfadaptive systems pp 126 cite as. Future of software engineering, minneapolis, may 2007. Pervasive environments are inherently characterized to draw from sensor infrastructures in order to become situation aware. Towards semantics of selfadaptive software abstract. Request pdf towards semantics of selfadaptive software when people perform computations, they routinely monitor their results, and try to adapt and improve their algorithms when a need arises. Towards semantics of selfadaptive software abstract when people perform computations, they routinely monitor their results, and try to adapt and improve their algorithms when a need arises. Citeseerx document details isaac councill, lee giles, pradeep teregowda. Towards a rule model for selfadaptive software qianxiang. The ubiquitous practice of testing, debugging and improving programs at the design time should be automated, and established as a continuing run time routine. Analyzing latencyaware selfadaptation using stochastic. Towards semantics of selfadaptive software springerlink.

The mapek formal templates target software systems that. Towards selfadaptive kpn applications on nocbased mpsocs. This document briefly outlines our expectations for software engineering ph. Stevens, p bidirectional model transformations in qvt. The idea of selfadaptive software is to implement this common facility of human mind within the frameworkof the standard logical methods of software engineering. Towards a metamodel for qualityaware self adaptive. Citeseerx towards semantics of selfadaptive software. Towards a requirements speci cation multiview framework for selfadaptive systems. These changes may stem from the software systems self internal causes, e.

Frequently, the signal processing system has to meet realtime requirements and provide. In order to mitigate the costs for such efforts, software systems should be able to dynamically selfadapt. Integrating semantic runtime models for adaptive software systems. Such a capability helps systems to meet the performance and quality goals, while judiciously using available resources.

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