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Emerging as the popular choice for leading Internet companies to expose internal data and resources, RESTful Web services are attracting increasing attention in the industry. While automating WSDL/SOAP based Web service composition has been extensively studied in the research community, automated RESTful Web service composition in the context of service-oriented architecture (SOA), to the best of...
The three core problems that can be identified with any SOA based system are: (i) service discovery, (ii) service selection, and (iii) service composition. Most of the previous researches have considered these three problems separately. However, we argue that these three problems are intrinsically related and hence, cannot be treated separately. We propose a proactive event-driven model where user...
Service Oriented Architecture (SOA) and Service Oriented Computing (SOC) are prevailing technologies for sharing and reusing resources. Service composition is an envisioned methodology used in SOA and SOC to build value-added services. The existed service clustering and selection models are mostly designed for service discovery and there is few considering the requirement of service composition from...
Awareness systems are a class of computer mediated communication systems that help individuals or groups build and maintain a peripheral awareness of each other. In this paper a service-oriented platform is presented, that supports awareness and informal social communication between community members, distributed over multiple smart home environments. The ASTRA platform, developed in the context of...
This paper reviews the feedback and expected outcomes for the surveyed students of the Syrian virtual university (SVU) in designing and implementation of e-learning based on Australian flexible learning framework (AFLF). This research used soft systems methodology (SSM) to analyze and understand the complex and 'messy' situation of the current case study. The study emphasizes the effective use of...
The paper presents the main findings of the ELeGI project, namely its learning model and software architecture to support the creation and execution of complex learning processes.The learning model defined in ELeGI promotes and supports a learning paradigm centred on knowledge construction using experiential based and collaborative learning approaches in a contextualised, personalised and ubiquitous...
The transactions in SOA running across multiple services over multiple domains, which will be alive for minutes, hours, even days depending upon the underlying business requirements and implementation, and they used synchronous mechanism to maintain business integrity. Application's performance is seriously hampered because of locking up resources for a long time which is caused by synchronous interaction...
This paper presents the design principle for integrating quality management on Web service registry developed in UDDI specification and Web service quality management system (WSQMS). WSQMS, developed by NIA can measure and collect the quality information of Web services by its agency system installed on the Web service system. Web service registry is core system for registering and searching WSDL...
Public Web services are not designed to be used with specific other Web services in a composite Web service. This leads to the following requirements for the proper control of a composite Web service; 1) adaptation to changes in Web services, 2) coordinating the contexts of internal processing, 3) flexible execution of human tasks. These controls must be applied following the policies of stakeholders,...
Service oriented architecture is a paradigm for bringing together needs and capabilities, where SOA services provide an effective means of connecting consumers and the means to realize desired real world effects. The resources accessed as part of SOA interactions are independently owned and evolved but must be unambiguously identifiable. In cases where the resources are changing, the consumer must...
Service-Oriented Architecture (SOA) is an effective paradigm for publishing common features as services and reusing the published services in building applications. Therefore, reusability of services is a key criterion for evaluating the quality of services. The evaluation target for reusability in our model is the service, applied to both atomic and composite service. Reusability models for conventional...
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