Information searching method based on metadata

A technology of information retrieval and metadata, applied in the field of information retrieval based on metadata, can solve the problems of ignorance of organizational information, time-consuming, and low efficiency of information use, and achieve the effect of easy use and improved work efficiency

Inactive Publication Date: 2008-06-11
XIANGYANG BRANCH CHINA MOBILE GRP HUBEI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this way, there are various obstacles in the enterprise, and the efficiency of information utilization is extremely low: 1. There is too much data, and it takes a lot of time to obtain useful information
2. The data is distributed in different application systems, and when information is needed, it is forgotten where it is stored
Need to convert multiple times to find
3. To deal with new business and new problems, do not know what information can be used within the organization
4. Adopting a new informa...

Method used

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  • Information searching method based on metadata
  • Information searching method based on metadata

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Embodiment Construction

[0022] The retrieval method provided by the present invention is aimed at the needs of business personnel to obtain related information from various data sources, and is convenient for them to be familiar with and grasp the meaning of relevant data tables in the data warehouse, index statistics rules and the corresponding relationship of dimension tables. The most essential and abstract definition of metadata is: data about data (data about data). It is a widespread phenomenon with specific definitions and applications in many fields. In the field of data warehousing, metadata is defined as: data that describes data and its environment. Centralize the metadata in each application system, including table structure information, file information, program information, etc.; and establish the relationship between these objects through the metadata analysis tool to form an er model; that is, the retrieval data that meets the needs of business personnel can be formed source base. D...

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Abstract

The invention relates to an information search method based on a metadata, which comprises the following steps during search: step 1, splitting searched words and sentences into key words; the splitting method is scanning the searched words and sentences from front to back, finding and then cutting the longest match in the word stock, continuing to find the longest match in the rest until splitting is finished; step 2, carrying out metadata match analysis on single key word according to the mapping relationship of er model of the metadata; extracting metadata explanation information based on match result and generating match information record of the key words; step 3, integrating the match information record of all the key words and outputting and presenting the results after optimization treatment. By adopting the information search method, the invention can acquire associated information from a plurality of data sources conveniently and overcome the search bottleneck of data warehousing. The invention supports Chinese search with simple operation, which is especially suitable for application in development and management and can improve the development efficiency of developers.

Description

technical field [0001] The invention belongs to the application field of information management, and particularly relates to an information retrieval method based on metadata. Background technique [0002] Relevant surveys show that the current corporate data is growing at a rate of 200% every year. Structured and unstructured data are stored in every corner of the corporate computer system; corporate employees spend an average of two and a half hours a day looking for information. In this way, there are various obstacles in the enterprise, and the information utilization efficiency is extremely low: 1. There is too much data, and it takes a lot of time to obtain useful information. 2. The data is distributed in different application systems, and when the information is needed, it is forgotten where it is stored. Need to convert multiple times to find. 3. Deal with new business and new problems, and do not know what information is available within the organization. 4. The...

Claims

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Application Information

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IPC IPC(8): G06F17/30
Inventor 蒋文莉王全胜赵静
Owner XIANGYANG BRANCH CHINA MOBILE GRP HUBEI CO LTD
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