GB/T 33674-2017Core metadata content of meteorological dataset (English PDF)
气象数据集核心元数据
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
May 12, 2017
Implementation date
December 1, 2017
Scope
GB/T 33674-2017 is the English-translated version of 气象数据集核心元数据.
GB/T 33674-2017 fixes the way a meteorological dataset is described and the core metadata it has to carry.
It sets out the metadata description mode, giving for each element the Chinese name, the English name, the short name, the definition, the constraints and conditions, the maximum number of occurrences, the data type and the domain, and then the core metadata content itself.
Identification, content, distribution, data quality, data representation, reference and restriction information for the dataset are all covered. A normative annex holds the core metadata dictionary and an informative annex the code tables.
Clause 3 defines dataset, metadata, metadata element, metadata entity, core metadata and class. It applies to the collection, management, compilation, service and exchange of metadata and cites GB/T 4880.2 and ISO 19111. Issued on 12 May 2017, it has applied since 1 December 2017.
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Document preview — GB/T 33674-2017
National Standard of the People's Republic of China
- ICS
- 07.060
- Classification
- A 47
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Preface
- 1 Scope
- 2 normative reference document
- 3 Terms and definitions
- 4 Metadata Description Mode
- 4.1 Overview
- 4.2 Chinese name
- 4.3 English name
- 4.4 Short name
- 4.5 Definitions
- 4.6 Constraints/Conditions
- 4.7 Maximum number of occurrences
- 4.8 Data type
- 4.9 domain
- 5 Core metadata content
- Appendix A (Normative Appendix) Meteorological Data Set Core Metadata Dictionary
- Appendix B (informative) Code Table
Foreword
This standard is drafted in accordance with the rules given in GB/T 1.1-2009.
1 Scope
This standard specifies the method and content of the description of meteorological data sets and provides information on the identification, content, distribution, and data quality of meteorological data sets. Quantity, data representation, reference and restriction.
This standard applies to metadata data collection, management, assembly, service and exchange.
2 Normative reference documents
The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this document. For undated references, the latest edition (including all modifications) applies to this document.
GB/T 4880.2 Language name code Part 2. 3 letter code
ISO 19111 Geographic information - Spatial referencing by coordinates
3 Terms and definitions
The following terms and definitions apply to this document.
3.1 Dataset
A collection of data that can be identified.
3.2 Metadata
Data about the data.
3.3 Metadata element
The basic unit of metadata.
Note: Metadata elements are unique in metadata entities.
3.4 Metadata entity
A set of metadata elements that describe the same characteristics of the data.
Note: You can include one or more metadata elements.
3.5 Core metadata
Describe the most basic properties of a dataset.
3.6 Class
A description of a set of objects that have the same attributes, operations, methods, relationships, and semantics.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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