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BS EN ISO 19157-1:2023

BS EN ISO 19157-1:2023

$215.11

Geographic information. Data quality – General requirements

Published By Publication Date Number of Pages
BSI 2023 114
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This document establishes the principles for describing the quality of geographic data. It: —    defines a well-considered system of components for describing data quality; —    defines the process for defining additional, domain-specific components for describing data quality; —    specifies components and the content structure of data quality measures; —    describes general procedures for evaluating the quality of geographic data; —    establishes principles for reporting data quality. This document is applicable to data producers providing quality information to describe and assess how well a dataset conforms to its product specification and to data users attempting to determine whether or not specific geographic data are of sufficient quality for their particular application. This document does not attempt to define minimum acceptable levels of quality for geographic data. Such information is usually present as a requirement in a data product specification, defined in accordance with ISO 19131, for example.

PDF Catalog

PDF Pages PDF Title
2 undefined
4 European foreword
Endorsement notice
7 Foreword
9 Introduction
11 1 Scope
2 Normative references
3 Terms and definitions
15 4 Abbreviated terms and packages
4.1 Abbreviated terms
4.2 Abbreviated packages
5 Conformance
5.1 General
16 5.2 Content of a data quality model
5.3 XML encoding of a data quality model
6 General requirements for geographic information quality
6.1 General
6.2 Data quality — general requirements, recommendations and permissions
18 7 Overview of data quality
19 8 Components of data quality
8.1 Overview of the components
20 8.2 Data quality unit
21 8.3 Data quality elements
8.3.1 General
22 8.3.2 Completeness
8.3.3 Logical consistency
23 8.3.4 Positional accuracy
8.3.5 Temporal quality
8.3.6 Thematic quality
24 8.3.7 Metaquality elements
8.4 Extending the data quality information model
25 8.5 Descriptors of data quality elements
8.5.1 General
8.5.2 Measure reference
26 8.5.3 Evaluation method
8.5.4 Quality result
29 8.5.5 Descriptors of a metaquality element
9 Data quality measures
9.1 General
9.2 Standardized data quality measures
9.2.1 General
31 9.2.2 Measure identifier
9.2.3 Name
9.2.4 Alias
9.2.5 Element name
9.2.6 Basic measure
9.2.7 Definition
9.2.8 Description
32 9.2.9 Parameter
9.2.10 Value type
9.2.11 Value structure
9.2.12 Source reference
9.2.13 Example
9.3 User-defined data quality measures
33 10 Data quality evaluation
10.1 The process for evaluating data quality
10.1.1 Introduction
10.1.2 The process flow
34 10.1.3 Process steps
10.2 Data quality evaluation methods
10.2.1 Classification of data quality evaluation methods
35 10.2.2 Direct evaluation
10.2.3 Indirect evaluation
36 10.3 Aggregation and derivation
11 Data quality reporting
11.1 General
37 11.2 Particular cases
11.2.1 Reporting aggregation (aggregated results)
38 11.2.2 Reporting derivation (derived results)
11.2.3 Reference to the original data quality result
11.2.4 Hierarchy principle
39 12 Requirements for XML encoding
40 Annex A (normative) Abstract test suite
41 Annex B (informative) Data quality concepts and their use
47 Annex C (normative) Data dictionary for data quality
63 Annex D (informative) Evaluating and reporting data quality
88 Annex E (informative) Sampling methods for evaluating data quality
96 Annex F (informative) Guidelines for the use of quality elements
105 Annex G (informative) Aggregation of data quality results
107 Annex H (normative) XML Encoding description
108 Annex I (informative) Backward compatibility with ISO 19157:2013
111 Bibliography

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BS EN ISO 19157-1:2023
$215.11