Method and device for sharing access of distributed and heterogeneous earth science data resource

A data resource and data access technology, applied in the field of data resource sharing and access, can solve the problems of lack of data resource registration and search functions, difficulty in online browsing or access to data resources, etc.

Inactive Publication Date: 2010-01-13
INST OF GEOGRAPHICAL SCI & NATURAL RESOURCE RES CAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Data resources can only be searched through metadata, and it is difficult to browse online or access real data resources
However, the existing data access technology only considers the access of a single type of data resource at the bottom layer, often requires complex configuration at the data source end, and lacks the registration and search functions of data resources

Method used

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  • Method and device for sharing access of distributed and heterogeneous earth science data resource
  • Method and device for sharing access of distributed and heterogeneous earth science data resource
  • Method and device for sharing access of distributed and heterogeneous earth science data resource

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Embodiment Construction

[0046] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments, so as to further understand the purpose, scheme and effect of the present invention, but the accompanying drawings are not intended to limit the present invention, and the protection scope of the present invention is defined in the appended claims The scope of protection requested shall prevail.

[0047]The basic idea of ​​the invention is to abstract and release distributed and heterogeneous geoscience data resources through two levels of metadata and data services. Using the combination of metadata and data services, data users can transparently access geoscience data resources with different geographical distributions, data formats and storage forms. The specific implementation is divided into two processes: the release process of geoscience data resources and the acquisition process of geoscience data resources. figure 1 It is a schematic ...

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Abstract

The invention discloses a method and a device for the sharing access of distributed and heterogeneous earth science data resources, comprising an earth science data resource publishing step and an earth science data resource access step, wherein the earth science data resource publishing step further comprises the following steps: collecting earth science metadata through a predetermined interface according to a set earth science metadata standard; collecting corresponding data services of the earth science metadata according to forms and storage ways of the earth science data resources; binding the data services to the corresponding earth science metadata; and publishing the bound metadata and data services to the external world. The invention enables data users to transparently access the earth science data resources with different geographical position distributions, data forms and storage ways by combining the metadata and the data services.

Description

technical field [0001] The invention relates to data resource sharing and access technology, in particular to a method and device for sharing and accessing distributed and heterogeneous geoscience data resources. Background technique [0002] Geoscience data resources are an important foundation to support the research of various branches of earth science and the integrated research of earth system science. Geoscience data resources are distributed in different industry sectors, scientific research institutes, institutions of higher learning and data organizations, with geographical distribution. At the same time, geoscience data resources include: vector, raster, remote sensing images, attributes and other formats, and these data are stored in the form of files, databases, etc., with heterogeneity in formats and storage methods. Therefore, it is very important to share (retrieve, browse and download) geoscience data resources in different formats and storage forms across d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
Inventor 诸云强宋佳冯敏
Owner INST OF GEOGRAPHICAL SCI & NATURAL RESOURCE RES CAS
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