Terms
TGN is a structured vocabulary currently containing around 1,106,000 names and other information about places. Names for a place may include names in the vernacular language, English, other languages, historical names, names and in natural order and inverted order. Among these names, one is flagged as the preferred name.
TGN is a thesaurus, compliant with ISO and NISO standards for thesaurus construction; it contains hierarchical, equivalence, and associative relationships. Note that TGN is not a GIS (Geographic Information System). While many records in TGN include coordinates, these coordinates are approximate and are intended for reference only.
The focus of each TGN record is a place. There are around 912,000 places in the TGN. In the database, each place record (also called a subject) is identified by a unique numeric ID. Linked to the record for the place are names, the place's parent or position in the hierarchy, other relationships, geographic coordinates, notes, sources for the data, and place types, which are terms describing the role of the place (e.g., inhabited place and state capital). The temporal coverage of the TGN ranges from prehistory to the present and the scope is global.
Read more about this topic: Getty Thesaurus Of Geographic Names
Famous quotes containing the word terms:
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—Thomas Henry Huxley (1825–95)