Data logical independence (DLI) is an important characteristic of the database management system (DBMS), DLI could guarantee that application systems are independent of data entities, which is significant for the development of the application system. However the existing DLI solutions are insufficient because the main DLI solution is limited which is based on mapping between
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In the environment of telecommunications industry market gradually more open and competition more fiercely, the traditional telecom operating strategies had changed, and the telecom supporters desperately needs to improve the ability of workflow management process. In order to ensure the telecom to ascend the opening of business provides better process and workflow management. therefore, put
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Simulation data refer to data produced in the process of modeling and simulation activities, and other data which are helpful in understanding and handling simulation activities. Simulation data include system test datas, simulation models, expriment data, analysis data, validation information as well as documents, souse codes and metadata of simulation tasks. Simulation data are the
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The traditional game content site development always focuses on one concrete game for one or multiple business requirement, which makes huge resource wasting in practice because of the content are usually developed repeatedly. For enhancing content reusability and reducing the site building and maintenance cost, using Web Content Management System to centralize generate and manage
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Downhole production command system is for the leadership in the downhole work branch to globally command and control various production task of entire downhole.To realize scientific command and control to the downhole work business, they must be able to grasp all sorts of key production index information of production links in each team and group
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At present, many research institutions have the problems that metadata define confusedly, metadata is not standard and metadata format is incompatible, thus starting from national level, construct reasonably classified and comprehensively covered technical resource metadata system, so as to establish standard and rational metadata register management system. It can provide effective help to the standardization
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With the goal of the telecom operators from increasing the number of customers to improve customer quality, take customers as the center, provide them diversification, multi-level, personalized service solutions, the requirement of data mining and analysis is also getting higher and higher. Build enterprise data marts can help telecom operators to analyse customer behaviour, identifying
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With the goal of the telecom operators from increasing the number of customers to improve customer quality, take customers as the center, provide them diversification, multi-level, personalized service solutions, the requirement of data mining and analysis is also getting higher and higher. Build enterprise data marts can help telecom operators to analyse customer behaviour, identifying
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With the application of numerical weather prediction research and extension and depth, increasing product data have been forecast to reach tens of P’s massive data-level. Every day through various numerical prediction models for numerical prediction of a large number of product data, and with the forecast increase resolution, the amount of data generated forecast products
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With the rapid development of bioengineering technology, the biological data grows exponential. How to integrate these distributed, heterogeneous, autonomous biological databases effectively and provide query services is becoming a hot topic. In order to address the current problems encountered in the integrated query of biological data, a data integration program based on semantic metadata is
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