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Research and design of heterogeneous data interoperability platform for international trade

Author: LiuXinShun
Tutor: JiangChunHua
School: University of Electronic Science and Technology
Course: Applied Computer Technology
Keywords: Data Integration Data Interoperability E-commerce Script interpreter Data mapping
CLC: TP311.52
Type: Master's thesis
Year: 2011
Downloads: 17
Quote: 0
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Abstract


With the development of e-commerce, more and more different types of information resources need to be shared between the enterprise and exchange these data resources include not only traditional database data, including structured and semi-structured or unstructured data such as XML documents, text and so on. How to effectively trade activities in the presence of heterogeneous data integration and interoperability, to enable them to share and exchange between different systems, and has become an important reasons that affect the development of the enterprise. Related companies, organizations developed a series of standards for electronic document exchange, such as ebXML cnXML, UN / EDIFACT, etc., but not compatible, exchanging high cost factors, makes difficult for enterprises to conduct trade and non-trade partners activities to increase the participation of SMEs in difficulty. This paper studied the mainstream electronic documents in international trade activities and propose an XML-based abstraction layer for data integration framework, thereby reducing trade costs for SMEs, encourage enterprises to conduct cross-regional, cross-platform, cross-system data sharing and exchange . This paper analyzes the key issues in heterogeneous data integration in the international trade, as well as the current solution. Propose a data integration transformation framework based on XML abstraction layer, making e-commerce data can be passed in the trade between the two sides in a timely manner. XML-related technologies, as well as the current mainstream standard electronic documents are introduced first. Followed by a brief description of the framework of interoperable platform, in order to resolve the heterogeneous data integration in data mapping, design reusable three types of metadata components, developers design appropriate components to achieve the mapping of heterogeneous data. Then outline design of each module in the framework mainly consists of a server module, data source adapter. Finally, data conversion framework core data conversion engine module detailed design and realization, including the definition of the instruction in the the script interpreter realization metadata file. The last data conversion engine the corresponding functional testing and performance testing, to prove the practicality of the engine. Can be seen from the test results that can be achieved between mainstream EDI messages to XML data transformation engine conversion; visual data mapping tool can be flexible configuration data mapping rules. At the same time the data transformation engine performance can meet the business needs of the trading activities.

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