ISO INTERNATIONAL STANDARD 19157 First edition 2013-12-15 Geographic information Data quality Information géographique - Qualité des données Reference number IS0 19157:2013(E) LSO IS02013 IHS under Noreproo itted without license from IHS Not for Resale IS0 19157:2013(E) COPYRIGHTPROTECTEDDOCUMENT ISO2013 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Case postale 56:CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyright@iso.org Web www.iso.org Published in Switzerland @ IS0 2013 - All rights reserved No reproductic networking permited without license from IHS Not for Resale IS0 19157:2013(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. .1 2 Conformance ..1 3 Normative references 4 Terms and definitions ..2 5 Abbreviated terms. ..4 5.1 Abbreviations. 5.2 Package abbreviations ..5 6 Overview of data quality ..5 7 Components of data quality ..6 7.1 Overview of the components .6 7.2 Data quality unit .7 7.3 Data quality elements ..8 7.4 Descriptors of data quality elements .11 7.5 Metaquality elements. ..14 7.6 Descriptors of a metaquality element ..15 8 Data quality measures ..16 8.1 General .16 8.2 Standardized data quality measures. .16 8.3 User defined data quality measures .16 8.4 Catalogue of data quality measures .16 8.5 List of components .17 8.6 Component details. .18 9 Data quality evaluation .20 9.1 The process for evaluating data quality 20 9.2 Data quality evaluation methods 21 9.3 Aggregation and derivation... 23 10 Data quality reporting. .23 10.1 General .23 10.2 Particular cases. .24 Annex A (normative) Abstracttest suites. .26 Annex B (informative) Data quality concepts and their use ..28 Annex C (normative) Data dictionary for data quality ..34 Annex D (normative) List of standardized data quality measures .50 Annex E (informative) Evaluating and reporting data quality .96 Annex F (informative) Sampling methods for evaluating .119 Annex G (normative) Data quality basic measures .127 Annex H (informative) Management of data quality measures .132 Annex I (informative) Guidelines for the use of Quality Elements .135 Annex J (informative) Aggregation of data quality results .144 Bibliography .146 zan rights reserved iii se with ISt ed without license from IHS Not for Resale