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Method for implementing automatic exchange of information system data

An automatic exchange and information system technology, applied in the direction of electrical digital data processing, special data processing applications, instruments, etc., can solve the problems of unable to meet the needs of management business, unable to automatically control, need maintenance, etc., to ensure data consistency, Avoid duplication of input and reduce labor effect

Inactive Publication Date: 2005-10-26
ZHEJIANG UNIV
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AI Technical Summary

Problems solved by technology

This method uses a hardware device, so the cost is high, and it requires personnel to maintain it, which is a waste of labor
Some people use the method of web pages to collect information from the page, convert it into an Extensible Markup Language (XML) document, and establish a one-to-one corresponding link relationship with the hidden data. This method provides convenience for browsing and sharing of business data. However, the collected data has not been converted into data in the relational data mode of the information system, and cannot be directly used and processed by the information system, which cannot meet the needs of business management, and requires manual operation and cannot be automatically controlled

Method used

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  • Method for implementing automatic exchange of information system data
  • Method for implementing automatic exchange of information system data
  • Method for implementing automatic exchange of information system data

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Embodiment Construction

[0045] The present invention will be further described below in conjunction with drawings and embodiments.

[0046] Such as figure 1 As shown, a method for realizing automatic exchange of information system data includes the following steps:

[0047] 1) Create a mapping mechanism between the relational data model 100 and the XML model 105 according to the relational data model 100 and the XML model 105, and establish a mapping model 115 between the relational data model 100 and the XML model 105, the mapping model 115 includes implementation data The mapping function library of the mapping relationship between: mathematical functions, string functions, conversion functions, database functions;

[0048] Mathematical functions implement mathematical operations on data elements, string functions implement operations on strings, conversion functions implement conversion between different types of data, and database functions implement operations on database data;

[0049] (1) Ma...

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Abstract

The invention provides a method for implementing the automatic data exchange of an information system, on the basis of analyzing relation data model and XML model, building their mapping model, defining basic mapping functions, and building a library of mapping functions; on the basis of analyzing relation database schema and data exchange demand, according to the XML model, defining XML schema, and according to the mapping model, determining the mapping relation between relation data schema and XML schema, selecting the basic mapping function from the library of mapping functions to build mapping schemata. As some event occurs or a certain time arrives, a flip-flop triggers a data exchange engine, which firstly reads the tasks and attribute of the flip-flop, then according to them, reads the corresponding mapping schema and finally executes specific data exchange to convert source data to target data so as to implement data exchange.

Description

technical field [0001] The invention relates to a method for automatically exchanging information system data. XML is used as an intermediary for information exchange, and internet / intranet is used as an information channel for data exchange to realize the integration of information systems. Background technique [0002] Existing data exchange technologies are mainly aimed at the exchange of signal data in communication, but there is little data exchange between databases for information systems, and most of them need to use hardware devices such as interface circuits and interface buses to realize communication between information systems. Exchange data. Different information systems face different business requirements, so the schemas of the relational databases owned by information systems are also different, which makes it difficult to guarantee the universality of data exchange between information systems. Someone once invented a data exchange device with a built-in in...

Claims

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Application Information

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IPC IPC(8): G06F17/30
Inventor 唐任仲叶范波贾东浇
Owner ZHEJIANG UNIV
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