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BS EN ISO 19157-1:2023 – TC

BS EN ISO 19157-1:2023 – TC

$280.87

Tracked Changes. Geographic information. Data quality – General requirements

Published By Publication Date Number of Pages
BSI 2023 344
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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
232 undefined
234 European foreword
Endorsement notice
237 Foreword
239 Introduction
241 1 Scope
2 Normative references
3 Terms and definitions
245 4 Abbreviated terms and packages
4.1 Abbreviated terms
4.2 Abbreviated packages
5 Conformance
5.1 General
246 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
248 7 Overview of data quality
249 8 Components of data quality
8.1 Overview of the components
250 8.2 Data quality unit
251 8.3 Data quality elements
8.3.1 General
252 8.3.2 Completeness
8.3.3 Logical consistency
253 8.3.4 Positional accuracy
8.3.5 Temporal quality
8.3.6 Thematic quality
254 8.3.7 Metaquality elements
8.4 Extending the data quality information model
255 8.5 Descriptors of data quality elements
8.5.1 General
8.5.2 Measure reference
256 8.5.3 Evaluation method
8.5.4 Quality result
259 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
261 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
262 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
263 10 Data quality evaluation
10.1 The process for evaluating data quality
10.1.1 Introduction
10.1.2 The process flow
264 10.1.3 Process steps
10.2 Data quality evaluation methods
10.2.1 Classification of data quality evaluation methods
265 10.2.2 Direct evaluation
10.2.3 Indirect evaluation
266 10.3 Aggregation and derivation
11 Data quality reporting
11.1 General
267 11.2 Particular cases
11.2.1 Reporting aggregation (aggregated results)
268 11.2.2 Reporting derivation (derived results)
11.2.3 Reference to the original data quality result
11.2.4 Hierarchy principle
269 12 Requirements for XML encoding
270 Annex A (normative) Abstract test suite
271 Annex B (informative) Data quality concepts and their use
277 Annex C (normative) Data dictionary for data quality
293 Annex D (informative) Evaluating and reporting data quality
318 Annex E (informative) Sampling methods for evaluating data quality
326 Annex F (informative) Guidelines for the use of quality elements
335 Annex G (informative) Aggregation of data quality results
337 Annex H (normative) XML Encoding description
338 Annex I (informative) Backward compatibility with ISO 19157:2013
341 Bibliography

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BS EN ISO 19157-1:2023 - TC
$280.87