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GB/T 18391.4-2009 English PDF

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Q: Should I purchase the latest version GB/T 18391.4-2009?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 18391.4-2009 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.

US$234.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 18391.4-2009: Information technology -- Metadata registries (MDR) -- Part 4: Formulation of data definitions
Status: Valid

GB/T 18391.4: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 18391.4-2009	234	Add to Cart	3 days	Information technology -- Metadata registries (MDR) -- Part 4: Formulation of data definitions	Valid
GB/T 18391.4-2001	519	Add to Cart	3 days	Rules and guidelines for IT Specification and standardization of data elements -- Part 4: Data Definition	Obsolete

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Basic data

Standard ID: GB/T 18391.4-2009 (GB/T18391.4-2009)
Description (Translated English): Information technology -- Metadata registries (MDR) -- Part 4: Formulation of data definitions
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: A24
Classification of International Standard: 35.040
Word Count Estimation: 12,194
Date of Issue: 2009-09-30
Date of Implementation: 2009-12-01
Older Standard (superseded by this standard): GB/T 18391.4-2001
Adopted Standard: ISOIEC 11179-4-2004, IDT
Regulation (derived from): Announcement of Newly Approved National Standards No. 10 of 2009 (No. 150 overall)
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the build data and metadata defined requirements and recommendations. This section describes only semantic definition, regardless of the defined format. Especially when used in Section 3 GB/T18391 metadata specified the contents of the registration system, can be used to determine the definition of the data and metadata. These requirements and recommendations for the formation of data elements and other data types defined diagnostic pieces, where the data component type can be entity types, entities, relationships, attributes, object type (or class), objects, composites, code entry, Yuan data items, as well as the data referenced by the XML tags

GB/T 18391.4-2009: Information technology -- Metadata registries (MDR) -- Part 4: Formulation of data definitions

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Information technology Metadata registries (MDR) Part 4. Formulation of data definitions ICS 35.040 A24 National Standards of People's Republic of China GB/T 18391.4-2009/ISO /IEC 11179-4.2004 Replacing GB/T 18391.4-2001 Information technology - Metadata registries (MDR) Part 4. Data Definition formed (ISO /IEC 11179-4.2004, IDT) Posted 2009-09-30 2009-12-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Preface Ⅰ Introduction Ⅱ 1 Scope 1 Consistency 1 2 3 Terms and definitions 4 Summary data definition requirements and recommendations 2 4.1 Requirements 2 4.2 Recommendation 3 5 of 3 5.1 Premise 3 5.2 Requirements 3 5.3 Recommendation 5 Reference 7 GB/T 18391.4-2009/ISO /IEC 11179-4.2004

Foreword

GB/T 18391 "Information technology - Metadata registries (MDR)" is divided into six sections. --- Part 1. Framework; --- Part 2. Classification; --- Part 3. Registry metamodel and basic attributes; --- Part 4. data definitions is formed; --- Part 5. Naming and identification principles; --- Part 6. Registration. This section GB/T Section 418,391, the equivalent of using the ISO /IEC 11179-4.2004 "Information technology - Metadata registries (MDR) - Part 4. Data Definition formed "(in English), only editorial changes. This Part replaces GB/T 18391.4-2001 "Information technology - Specification and standardization of data elements - Part 4. Data compiled definitions Write the rules and guidelines. " This section compared with the GB/T 18391.4-2001 The main changes are as follows. --- Name changed to. "Information technology - Metadata registries (MDR) - Part 4. Data Definition formation"; --- 4.1 and 5.2 in the "rules" to "requirements"; --- 4.2 and 5.3 of the "Guide" to "advice"; --- Canceled 4.1a) unique (defined here in the event of any data dictionary); --- Increased 4.2h) suitable type of metadata items are defined. In order to maintain consistency with the English version, the English version of the contents of this section in italics also use italics, Chapter 3 terms English name reserved English version capitalization. This part is proposed by the China National Institute of Standardization. This part of the National Information Technology Standardization Technical Committee centralized. This section is responsible for drafting the China National Institute of Standardization. The main drafters of this section. Liu Zhi-ting, Xing Liqiang, Li Xiaolin, Shili Wu, Sunguang Zhi. This section was first released in 2001, this is the first revision. GB/T 18391.4-2009/ISO /IEC 11179-4.2004

Introduction

Accuracy of data processing and electronic data interchange to a large extent dependent on the data in the database record, reliability, controllability and verification Sex. Correct and proper use and interpretation of the data is the premise providers and users of data are the data indicating the meaning of a common understanding. In order to promote this common understanding, we should define a number of properties or attributes of data. Characteristics of these data is known as "metadata", ie, "Describes data." GB/T 18391 in this section gives the requirements for data definition based metadata registry system formed and built

3 Terms and Definitions

The following terms and definitions apply to this part of the GB/T 18391 of. 3.1 A set of valid values \u200b\u200bmean. Note. Value Meaning can enumerate domain concept may also be expressed by the description. [GB/T 18391.3-2009, the definition 3.3.21] 3.2 By means of the knowledge of the unique combination of characteristics is formed. [GB/T 15237.1-2000, the definition 3.2.1] 3.3 It can explain the formal representation of information, to apply to the communication, interpretation, or processing. Note. The data can be processed manually or automatically, the process. [GB/T 5271.1-2000, the definition of 01.01.02] 3.4 A set of attributes specified by the definition, identification, representation and allowable value of a data unit. [GB/T 18391.3-2009, the definition 3.3.36] 3.5 In the form of a concept of a data element is represented and is described independent of any specific representation. [GB/T 18391.3-2009, the definition 3.3.38] GB/T 18391.4-2009/ISO /IEC 11179-4.2004 ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 18391.4-2009_English be delivered?

Answer: Upon your order, we will start to translate GB/T 18391.4-2009_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 18391.4-2009_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 18391.4-2009_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.

Question 5: Should I purchase the latest version GB/T 18391.4-2009?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 18391.4-2009 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.