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PUBLIC MARKS with tags géolocalisation & "données structurées"

22 November 2006 15:30

About Geo-Names

by parmentierf (via)
The geographical database is available for download free of charge under a creative commons attribution license. It contains over eight million geographical names and consists of 6.2 million unique features whereof 2.2 million populated places and 1.8 million alternate names. All features are categorized into one out of nine feature classes and further subcategorized into one out of 645 feature codes. The data is accessible free of charge through a number of webservices and a daily database export. Geonames is integrating geographical data such as names, altitude, population and others from various sources. All lat/long coordinates are in WGS84 (World Geodetic System 1984). Users may manually edit, correct and add new names using a user friendly wiki interface.

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données structurées +   géographie +   google +   moteur de recherche +   ontologie +  

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last mark : 22/11/2006 15:42