This International Standard defines rules for creating and documenting application schemas, including principles for the definition of features. Its scope includes the following:- conceptual modelling of features and their properties from a universe of discourse;- definition of application schemas;- use of the conceptual schema language for application schemas;- transition from the concepts in the conceptual model to the data types in the application schema;- integration of standardized schemas from other ISO geographic information standards with the application schema.- The following are outside the scope:- choice of one particular conceptual schema langua
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