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Community structure is the most common topological structure in complex networks. An important feature of complex networks is that they are generally composed of highly inner connected sub-networks called community. It is very useful and significant to understand the features of these communities. In this paper, we study the community structure of structural service networks formed by public web services...
Geo-information network service has become more and more popular; however the practical application of vector data service is rare used. The main reasons are as follows: firstly, with the variety of vector data formats, the general format conversion cannot be applied data shared services; Secondly, Existing vector data service interface standard (such as WFS) is too simple, which doesn't meet the...
With the increase of the number of web services on the Internet, QoS driven service selection as an important way to satisfy user's constraint on quality and maintain the runtime performance of services, has received much attention. The existing QoS driven service selection approaches always assume that the estimated QoS data is effective and trustworthy, which is actually impossible in reality. This...
Composite Web services are often long-running, loosely coupled and cross-organizational applications. They always run in a highly dynamic environment. For the applications and environment, advanced transaction support is required to ensure the quality of reliable execution. Towards composite service adaptive mechanism unavailable for lacking transaction support, this paper proposes a self-healing...
More and more Web services are emerging in the Internet with development of service computing over the past decade. The web service in SOA system naturally forms into some service community during execution process. Mining and analysis Web service community will help design SOA system and support Web service application effectively. This article addresses the problem of how to discovering Web services...
Web services can be composed together and interact with each other to carry out complex transactions or workflows. During the execution of an autonomic process, if one component service fails or becomes overloaded, a mechanism is needed to ensure that the running process is not interrupted and the failed service is quickly and efficiently replaced. This paper presents a novel Web services replacement...
Exception handling is an important issue in service composition domain, and its mechanism should be considered in the service composition process. When invoking the composite service, exception handling involves with not only process design and status, but also service execution status. This paper proposes a context-sensitive ECA Rule based approach to analyze composite service exception (ANALEPTIC),...
To meet the business and user requirements, it is crucial to manage the quality of service (QoS) of composite Web service. Due to the dynamics nature of the Web services, the runtime behavior of Web services is likely to differ from the initial estimated one. Therefore, a re-planning to adapt the composite service to the QoS violated services, ensuring the global constraints and preferences will be...
The verification of service replaceability is an important issue for service composition in a seamless way. In this paper, it proposes the definition of service behavior impaction to judge the service replaceability. It defines the service behavior model based on the colored Petri Net, put forward service behavior impaction and service replaceability. The application of the method in the scenarios...
With the rapid development of web services technologies, web service discovery is becoming the urgent problem to be resolved. The existing researches are not mature, and cannot cope with the requests from different fields very well. In this paper we suggest an effective and feasible approach of web service discovery based on functional semantics. By defining the web services functional semantic description...
With the rapid development of web services technologies, web service discovery is becoming the urgent problem to be resolved. The existing researches are not mature, and cannot cope with the requests from different fields very well. In this paper we suggest an effective and feasible approach of web service discovery based on functional semantics. By defining the web services functional semantic description...
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