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Computer system, metadata management method, and recording medium

A computer system and metadata technology, applied in the fields of electrical digital data processing, special data processing applications, computing, etc., can solve problems such as inability to share data, and achieve the effect of increasing usability

Inactive Publication Date: 2015-05-06
HITACHI LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

That is, this is because even synonymous data cannot be shared as long as the schemas are different

Method used

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  • Computer system, metadata management method, and recording medium
  • Computer system, metadata management method, and recording medium
  • Computer system, metadata management method, and recording medium

Examples

Experimental program
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no. 1 approach

[0043] First, in figure 1 The outline of the computer system 100 to which the present invention is applied is described in . In recent years, the data that is required to be processed by computer systems requires multi-branch data formats such as structured data, semi-structured data, and unstructured data, and their massive processing. The computer system 100 is a system that efficiently manages data using metadata including attributes and the like of various and large amounts of data. In this embodiment, a medical information system as one of specific application examples of the computer system 100 will be described as an example.

[0044] For example, in the field of medical information systems, multi-branch independent systems with different data formats such as search requester, data source 6, and external system 7 are added, and it is desired to share data among these environments. For example, when a patient who received a primary diagnosis at hospital A receives a se...

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Abstract

In this computer system having a complicated modular configuration, the objectives include aggregating and managing the correspondence between data having different schemas and stored in processing servers, data warehouses, or the like. The computer system contains: a storage unit that holds schema correspondence information indicating the correspondence between metadata described by differing schema formats; a storage device that associates metadata, which is in a second schema format differing from a first schema format and converted on the basis of the schema correspondence information, with corresponding actual data by means of a unified ID, and stores the result; an index unit that acquires the unified ID and metadata in the second schema format from the storage device, and holds a metadata index converted to a third schema format differing from the first and second schema formats on the basis of the schema correspondence information; and an update management unit that identifies the unified ID of metadata that is the subject of updating using the schema correspondence information in response to an update request for metadata and having a predetermined schema format.

Description

technical field [0001] The present invention relates to a computer system, a metadata management method, and a recording medium, and in particular to a computer system and the like for processing data in different schema formats. Background technique [0002] In recent years, data that has been requested to be processed by a computer system requires multi-branch data types such as structured data, semi-structured data, and unstructured data, and a large amount of processing thereof. Against such a background, a computer system architecture in which a large amount of data is managed by a data warehouse or the like, and the data in the data warehouse is shared and utilized by various processing servers of the same or different types has emerged. For example, various analysis processing servers, search servers managing indexes for search, etc. can be added arbitrarily, and data in the data warehouse can be shared. It is a computer system with a modular structure that can respo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
CPCG06F16/254G06F16/211
Inventor 高冈伸光儿玉升司
Owner HITACHI LTD
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