A field multi-standard metadata customized online exchange and service method and system

Abstract

The invention relates to a method and system for customizing online exchange and service of multi-standard metadata in the field. The method includes: 1) establishing a multi-standard metadata customized convergence template, and realizing the customized setting of the template by inheriting, overriding, modifying, and extending the newly added mode of the core metadata standard in the field; Analyze the customized data collection and submission template, and dynamically generate online metadata collection and submission and management function pages according to the analysis results; 3) perform online collection of multi-standard metadata according to the generated online metadata collection and submission and management function pages Submit entry and verification; 4) Store and manage the submitted multi-standard metadata, and provide globally unified various metadata discovery services. The present invention realizes refined and specialized management of multi-standard metadata while maintaining the commonality and consistency of semantics of the same metadata item among multiple metadata standards, and greatly enhances the effect and quality of domain resource services.

Description

technical field [0001] The present invention relates to the field of metadata management, in particular to an object-oriented thought-based field multi-standard metadata customization online exchange and service method and system, including metadata exchange template customization settings, metadata template analysis and exchange Dynamic realization of functions, online exchange of metadata, verification, storage and service, etc. Background technique [0002] Metadata is data describing information resources or data objects, and its most essential and abstract definition is: "data about data". Metadata promotes the consensus understanding and efficient utilization of the described object by revealing the described object. In 1994, the Institute of Electrical and Electronics Engineers (IEEE) in the white paper (Bretherton F P, Singleley P T. Metadata: A user's view [C] / / Scientific and Statistical Database Management, 1994. Proceedings., Seventh International Working Confere...

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Problems solved by technology

[0006] (2) In the case of multi-standard metadata management, the current design and implementation mostly adopt the mode of managing each metadata standard separately, without distinguishing the relationship between commonality and individual metadata items between metadata standards, resulting in multiple The problem of semantic versatility and consistency in the description of the same metadata item between metadata standards, and the problem of redundancy in the metadata management setting process, which in turn affects the unified integration, discovery, and sharing services provided by multi-standard metadata Difficulties arise, and the workload of expanding, verifying, and maintaining multi-standard metadata items managed separately at the same time is huge

[0007] (3) At present, the management function of online metadata collection and exchange of multi-standard metadata in the field is usually designed and realized by specialization, which is manifested in the special development of the online metadata collection and delivery management function according to the content of the metadata standard in a specific field. Such as: name, type, data range, required items, duplicate item settings are bound together with functional logic, lack of customized and reusable decoupling design, resulting in a large number of metadata collection and exchange systems in similar fields. Duplication of work increases R&D costs

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