BS ISO 19144-1 : 2009

Foreword
Introduction
1 Scope
2 Conformance
  2.1 Classes
  2.2 Conformance of a classification system
  2.3 Conformance of a register of classifiers
  2.4 Representation of classification results
3 Normative references
4 Terms, definitions and abbreviated terms
  4.1 Terms and definitions
  4.2 Abbreviated terms
5 Classification systems
  5.1 Concept
  5.2 Classification and legend
  5.3 Hierarchical versus non-hierarchical systems
  5.4 A priori and a posteriori classification systems
  5.5 Structure of classified data
  5.6 A classification data set
6 Management of classifiers
  6.1 General
  6.2 Concept dictionary register for a classification
      scheme
  6.3 Management of classifiers through registration
  6.4 Register structure
Annex A (normative) - Abstract test suite
Annex B (informative) - A priori and a posteriori classification
        systems
Bibliography

Defines the structure of a geographic information classification system, together with the mechanism for defining and registering the classifiers for such a system. It also defines the use of discrete coverages to represent the result of applying the classification system to a particular area and defines the technical structure of a register of classifiers in accordance with ISO 19135.