适应上下文感知事务服务的CATS-CAE反射中间件框架:使用混合策略方法

IF 0.8 4区 计算机科学 Q4 COMPUTER SCIENCE, INFORMATION SYSTEMS International Journal of Web Services Research Pub Date : 2020-04-01 DOI:10.4018/IJWSR.2020040103
Widad Ettazi, M. Nassar, H. Hafiddi
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引用次数: 1

摘要

普适环境的特点是有限的计算资源和无线连接。同时,当前的应用程序域具有不适合传统ACID模型的可变事务需求。因此,普遍的环境特征是引人注目的,不能被传统的解决方案所支持,这些解决方案通常专用于特定的应用程序领域,并支持有限的上下文参数集。本文旨在提供一个完整的解决方案,以解决在普及环境中感知上下文的事务服务“CATS”的适应性挑战。因此,设计了一个新的CATS-CAE框架,该框架提供了一个综合的多组件链结构。CATS-CAE中的适应策略是基于一种混合方法,通过“概要任务类”概念将适应策略的使用、替代策略和组合服务的行为适应结合起来。本文还提出了一个概率模型来支持该方法的有效性。
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CATS-CAE Reflective Middleware Framework for Adapting Context-Aware Transactional Services: Using a Hybrid Policy-Based Approach
Pervasive environments are characterized by limited computing resources and wireless connectivity. In parallel, current application domains have variable transactional requirements that do not fit the traditional ACID model. As a result, the pervasive environment characteristics are compelling and cannot be supported by conventional solutions that are typically dedicated to a specific application domain and support a limited set of context parameters. This article aims at providing a complete solution that addresses the challenges of the adaptability of context-aware transactional services “CATS” in pervasive environments. Thus, a new framework CATS-CAE was designed, which offers a comprehensive structure of multiple component chains. The adaptation strategy in CATS-CAE is based on a hybrid approach combining the use of adaptation policies, alternative strategy and behavioral adaptation of composite services through the “Profiled Task Class” concept. A probabilistic model is also presented to support the efficiency of the proposed approach.
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来源期刊
International Journal of Web Services Research
International Journal of Web Services Research 工程技术-计算机:软件工程
CiteScore
2.40
自引率
0.00%
发文量
19
审稿时长
>12 weeks
期刊介绍: The International Journal of Web Services Research (IJWSR) is the first refereed, international publication featuring the latest research findings and industry solutions involving all aspects of Web services technology. This journal covers advancements, standards, and practices of Web services, as well as identifies emerging research topics and defines the future of Web services on grid computing, multimedia, and communication. IJWSR provides an open, formal publication for high quality articles developed by theoreticians, educators, developers, researchers, and practitioners for those desiring to stay abreast of challenges in Web services technology.
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