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ISO 19109:2005

Geographic information - Rules for application schema

ISO 19109:2005(E) 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 language for application schemas;
  • definition of any particular application schema;
  • representation of feature types and their properties in a feature catalogue;
  • representation of metadata;
  • rules for mapping one application schema to another;
  • implementation of the application schema in a computer environment;
  • computer system and application software design;
  • programming.

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International Organization for Standardization [ISO]


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