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The Service Data Object (SDO) is one of the most promising data integration frameworks of the enterprise application area. SDO provides us with a unified and mature programming framework for SOA based development to handle heterogeneous data sources. Separation of data accessing from the SDO API is more flexible while makes the characteristics of performance less noticed. Therefore we here study the...
Although Service-Oriented principles have been widely adopted by High Throughput Computing infrastructure designers, the integration between SOA and HTC is made difficult by legacy. jGASW is a framework for wrapping legacy scientific applications as Web Services and integrating them into an intensive computing-aware SOA framework. It maps complex I/O data structures to command lines and enables dynamic...
Abstract graphical Grid workflow can adapt the dynamic nature of Grid environment. It is more intuitive and convenient for user to apply Grid services solving the remote sensing distributable computing problems than concrete Grid workflows. This paper firstly introduces the feasibilities and advantages of abstract Grid workflow applying for remote sensing quantitative retrieval services. And then...
Geospatial data is the core of spatial information system. It is always a research hotspot of how to realize the sharing and integration applications of distributed geospatial data. OGC has developed a number of web services specifications that enable the interoperation of heterogeneous geospatial data sources. Grid is the technology enabling resource sharing and coordinated problem solving in dynamic,...
Executing Semantic Services requires, in contrast to traditional SOAP-based Web Services, frequent read and write accesses to graph-based semantic data stores - for instance, for the evaluation of preconditions or the materialization of service effects. Therefore, the overall performance of semantic service execution, in particular for composite services, is strongly affected by the efficiency of...
Modern e-commerce is vigorously developing. It makes the resources and services on Internet more richly colorful. Every day these rich resources and services can produce many new mass data which contain a large number of important information. These data are often heterogeneous, uncertain and unstructured. Their complexity has far exceeded the analysis and understanding ability which the humanity...
To keep up enterprise systems with the pace and flexibility of modern business, software vendors have been further enhancing application development paradigms. Extension of software modularization concept with service-orientation and model driven development brought IT systems to the next level, to the level of composite applications. Application composition is the means of building software and integrating...
A major advantage of Service-Oriented Architectures (SOA) is composition and coordination of loosely coupled services. Because the development lifecycles of services and clients are decoupled, multiple service versions have to be maintained to continue supporting older clients. Typically versions are managed within the SOA by updating service descriptions using conventions on version numbers and namespaces...
This paper presents three models which enable the customization of Universal Description, Discovery and Integration (UDDI) query results, based on some pre-defined and/or real-time changing parameters. These proposed models detail the requirements, design and techniques which make ranking of Web service discovery results from a service registry possible. Our contribution is two fold: first, we present...
Huge data storage and complex topology computing are the two main problems in social network service (SNS). In order to overcome the premature problems, this paper develops optimized models and algorithms for these two aspects respectively, and also proposes a distributed SNS framework. Some experiments have been done and the results show the new models and algorithms perform well on SNS problems.
As a macro complex systematic engineering, the Digital Ocean project is an ongoing task in china. The mission of the Digital Ocean is to build an interactive network information system based on a three-dimensional globe. The Digital Ocean can help provide integrated information on historical, current and future states of ocean and coastal zone. This paper addresses the architecture of Digital Ocean,...
WS-BPEL applications are a kind of service-oriented application. They use XPath extensively to integrate loosely-coupled workflow steps. However, XPath may extract wrong data from the XML messages received, resulting in erroneous results in the integrated process. Surprisingly, although XPath plays a key role in workflow integration, inadequate researches have been conducted to address the important...
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