BS EN ISO 19157:2013+A1:2018 download

08-27-2020 comment

BS EN ISO 19157:2013+A1:2018,Geographic information – Data quality.The size is 16.1M.
Geographic data are increasingly being shared, interchanged and used for purposes other than their producers’ intended ones. Information about the quality of available geographic data are vital to the process of selecting a data set in that the value of data are directly related to its quality. A user of geographic data may have multiple data sets from which to choose. Therefore, it is necessary to compare the quality of the data sets to determine which best fulfils the requirements of the user.
The purpose of describing the quality of geographic data is to facilitate the comparison and selection of the data set best suited to application needs or requirements, Complete descriptions of the quality of a data set will encourage the sharing, interchange and use of appropriate data sets. Information on the quality of geographic data allows a data producer to evaluate how well a data set meets the criteria set forth in its product specification and assists data users in evaluating a products ability to satisty the requirements for their particular application. For the purpose of this evaluation, clearly defined procedures are used in a consistent manner.
This International Standard establishes the principles for describing the quality of geographic data. It
—defines components for describing data quality;
—specifies components and content structure of a register for data quality measures
—describes general procedures for evaluating the quality of geographic data;
—establishes principles for reporting data quality;
This International Standard also defines a set of data quality measures for use in evaluating and eporting data quality. It is applicable to data producers providing quality information to describe and assess how well a data set conforms to its product specification and to data users attempting to determine whether or not specific geographic data are of sufficient quality for their particula application.
This International Standard does not attempt to define minimum acceptable levels of quality for geographic data.

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