Description
This standard defines the conceptual schema for spatial references based on geographic identifiers.
TABLE OF CONTENTS
| Content | Page |
| 1 Scope | 1 |
| 2 Conformance requirements | 1 |
| 3 Normative references | 1 |
| 4 Definitions | 1 |
| 5 Unified Modelling Language (UML) | 2 |
| 6 Concepts of spatial referencing using geographic identifiers | 4 |
| 7 Requirements for spatial reference systems using geographic identifiers | 5 |
| 8 Requirements for gazetteers | 9 |
| Annex A Abstract test suite | 13 |
| Annex B Example spatial reference system using geographic identifiers | 14 |
| Annex C Examples of gazetteer data | 15 |
| Bibliography | 19 |

