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Research efforts have been gradually invested in online automatic business system health-checking in order to improve enterprise business capability in real-time. The paper proposes a service-based framework to automatically check the health situation of business execution in online way. Based on enterprise organizational behavior analysis, paper establishes collaborative health-checking system by...
The Web Services Challenge (WSC) is a forum where academic and industry researchers can share experiences of developing tools that automate the integration of web services. In the sixth year (i.e. WSC-10) of the Web Services Challenge, software platforms will extend their solutions to the several composition challenges. Again this year, requests and results will be transmitted within SOAP messages...
For reducing the complexity, improving the reusability and shorten the composition period, the service composition process is proposed to be divided into service template composition based on functional planning and the service template implementation based on QoS optimizing. Then, this paper analyzes the driving factors for application in the service composition and service composition process. In...
Wireless Sensor Networks (WSNs) are deployed for a wide range of applications to sense closely and collectively the environment in which they are placed. To provide services related to sensed data from a WSN to a user through Internet as per requirements has a great technological and commercial potential. For this it is necessary that a suitable WSN is quickly discovered automatically for the user...
Nowadays applications are increasingly developed based on remote Web services and service composition has become a powerful novel development paradigm. Due to the fact that such applications in the context of Internet are deployed and executed in an open and dynamic environment, adaptability is one of the crucial requirements for developing such applications. In our previous work, we presented a variability-based...
The recent evolution of mobile smart devices and their convergence with pervasive computing and software as a service raises new challenges. Developers of applications targeted to these environments have to face at least three major challenges: dynamicity, heterogeneity, and distribution. In this paper, we propose a service oriented component framework which addresses these challenges by automatically...
In terms of several new technologies, such as ubiquitous computing, ontology engineering, semantic web and grid computing, this paper proposes a kind of flexible educational platform architecture for Computer-Supported Collaborative Learning (CSCL). With data-intensive scientific workflows, it is promising to gain concept reusability, device and user adaptability, automatic composition, function and...
QoS-aware semantic web service composition concerns finding services from a repository to accomplish a specified task while meeting the Quality of Service (QoS) demands. The composition task is defined in form of a composition request which contains a set of available input parameters and wanted output parameters. If the input parameters given in the request are provided, the services of this set...
This paper shows one possible way to enhance power system software integration by combining RESTful Web services (RESTful WS) and the IEC 61970 set of standards. We also discuss the differences between SOAP and RESTful Web services in the context of this research. We propose a Web service, which wraps the resource oriented power system data model defined in the IEC 61970-301 Common Information Model...
The complexity of Web services composition process is intuitively relevant to the effects such as readability, testability, reliability, and maintainability. Analyzing the complexity at all stages of process design and development helps avoid the drawbacks associated with high-complexity processes. In this paper, we present a control-flow complexity measure of the structured process of Web service...
Web service may evolve autonomously, making peer web services in the same service composition uncertain as to whether the evolved behaviors may still be compatible to its originally collaborative agreement. Although peer services may wish to conduct regression testing to verify the original collaboration, the source code of the former service can be inaccessible to them. Traditional code-based regression...
Binary attestation in trusted computing platforms provide the ability to reason about the state of a system using hash measurements. Property based attestation on the other hand enables more meaningful attestation by abstracting low level binary values to high level security properties or functions of systems. In this paper, we try to understand the kind of security properties that trusted platforms...
Scientific researchers, laboratories and organisations can be profiled and compared by analysing their published works, including documents ranging from academic papers to web sites, blog posts and Twitter feeds. This paper describes how the vector space model from information retrieval, more normally associated with full text search, has been employed in the open source Sub Sift software to support...
Today, many scientific disciplines heavily rely on computer systems for in-silico experimentation or data management and analysis. The employed computer hard- and software is heterogeneous and complies to different standards, interfaces and protocols for interoperation. Grid middleware systems like UNICORE 6 try to hide some of the complexity of the underlying systems by offering high-level, uniform...
The idea that end users who are not programmers will one day compose software services has motivated our study of user perceptions, intuitions and requirements. This study comprised five focus groups which took place within SOA4All - an EC-funded research project aiming to bring service technology to everyone. The paper focuses on one aspect of the study - the perceptions and intuitions our users...
Involving people who do not have programming background in assembling and tailoring service-based applications promises to open up access to the creativity of millions of users. An increasing number of development environments aim to do this by offering drag-and-drop visual representations connecting different service components into an assembly. In contrast to the majority of these, we did not start...
Service discovery is one of the corner stones of Service-Oriented Architectures. It aims at finding the set of services which comply with a query in a scalable way with regard to the number of services in the registry. Current approaches to service discovery are based on registries (like UDDI) which provide efficient search algorithms over the interfaces (described in WSDL) and metadata of the services,...
This paper describes the use of Feature Sequence Viewer (FSV) to perform feature location in a teaching and research program suite named Open SOALab. In this context, a software feature refers to software components that provide specific functionality. The composite application encompasses a system in which hotel brokers identify rooms meeting various criteria from among several hotel chains in multiple...
Although Service Oriented Architecture technologies are becoming widespread, user research to support the exploitation and composition of services by non-programmers is still in its infancy. This paper presents three user studies conducted during the user-centered design of the Serv Face Builder, a service composition tool for non-programmers. Results suggest that end users do not realize that services...
Current approaches of accessing stateful resources via SOAP Web services do not provide a standardized way to use program objects (classes). In this article, we show how the interface of an object-oriented class can be expressed using WSDL. This approach enables a program object to be used in a distributed environment by accessing its Web service interface. The set of Web services associated with...
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