GB/T 32909-2016Unstructured data expression specification (English PDF)
非结构化数据表示规范
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
August 29, 2016
Implementation date
March 1, 2017
Scope
GB/T 32909-2016 is the English-translated version of 非结构化数据表示规范.
GB/T 32909-2016 is the Chinese standard "Unstructured data expression specification". Its scope clause reads: This standard specifies a unified data representation of unstructured data such as text, audio, video, and images.
This standard applies to the representation of unstructured data in unstructured management systems. Its clauses include normative reference documents; terms and definitions; abbreviations.
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Document preview — GB/T 32909-2016
National Standard of the People's Republic of China
- ICS
- 35.240.70
- Classification
- L 67
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 acronym
- 5 unstructured data DDL representation framework
- 5.1 Overview
- 5.2 Overall frame
- 5.3 Basic abstract descriptors
- 5.4 Basic Descriptive Descriptions Scenario
- 5.5 Element
- 6 data type
- 6.1 Basic data types
- 6.1.1 Numerical data type
- 6.1.2 String data type
- 6.1.3 Date Data Type
- 6.2 Extended Data Type
- 6.2.1 Scalar
- 6.2.2 Vector
- 6.2.3 Matrix
- 7 Basic Attributes Description
- 7.1 Basic elements
- 7.1.1 Unique identifier descriptor
- 7.1.2 Time Description Program
- 7.1.3 Character Descriptor
- 7.1.4 Location Description Program
- 7.2 Creating Information Description Scenario
- 7.3 Modification Information Description Option
- 7.4 Format and Size Description Scenario
- 7.5 Data Location Descriptor
- 8 semantic features description
- 8.1 Object Description Scenario
- 8.2 Event Description Program
- 8.3 Concept Description Program
- 8.4 Data Encoding Description Scheme
- 8.5 Data semantic description program
- 9 The underlying character description
- 9.1 Image Type
- 9.1.1 Color-related descriptors
- 9.1.2 Texture Features
- 9.1.3 Shape features
- 9.1.4 Local features
- 9.2 Audio Type
- 9.2.1 Scalar sequence
- 9.2.2 Low-level audio descriptors
- 9.2.3 Mute Descriptor
- 9.2.4 MFCC Feature Descriptor
- 9.3 Video Type
- 9.3.1 Time Domain Feature Description Type
- 9.3.2 Movement characteristics
- 9.3.3 Lens and Keyframe Descriptors
- 9.4 text type
- 10 raw data description
- 11 association descriptor
- 11.1 Semantic features - the underlying feature association descriptor
- 11.2 Basic Attributes - Raw Data Association Descriptors
- 11.3 Semantic Features - Raw Data Association Descriptors
- 11.4 Primitive Features - Raw Data Association Descriptor
- Appendix A (Normative Appendix) Unsigned Type Syntax Definition
- Appendix B (informative) Unstructured data representation XMLSchema definition
1 Scope
This standard specifies a unified data representation of unstructured data such as text, audio, video, and images.
This standard applies to the representation of unstructured data in unstructured management systems.
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 article
Pieces. For undated references, the latest edition (including all modifications) applies to this document.
Information technology - Extensible Markup Language (XML) 1.0
XMLSchema Extensible Markup Language Pattern (XMLSchema, W3CRecommendation, 2May2001)
3 terms and definitions
The following terms and definitions apply to this document.
3.1 Feature
Data characteristics.
3.2 Reverse file frequency inversedocumentfrequency; IDF
A general measure of the importance of a word, divided by the total number of documents divided by the number of documents containing the word, will be obtained by the logarithmic acquisition.
3.3
Word frequency termfrequency;
The number of times a given word appears in a document.
4 abbreviations
The following abbreviations apply to this document.
D. Descriptor (Descriptor)
DDL. Description Definition Language (DescriptionDefinitionLanguage)
DS. DescriptionScheme
IDF. Reverse file frequency (InverseDocumentFrequency)
GPS. Global Positioning System (Global Positioning System)
MFCC. Mel frequency quasi-spectral coefficient (MelFrequencyCepstrumCoefficient)
SIFT. scale-invariant feature conversion (Scale-InvariantFeatureTransform)
TF. word frequency (TermFrequency)
TF-IDF. word frequency - reverse file frequency (TermFrequency-InverseDocumentFrequency)
UML. Unified Modeling Language (UnifiedModelingLanguage) […]
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 41 pages — is available in the English PDF.
Referenced standards
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