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  2. Geographic information systems in China - Wikipedia

    en.wikipedia.org/wiki/Geographic_information...

    China's National Spatial Data Infrastructure Project uses the WGS84 standard. The partial timeline is: In 1991, China's first color Map Editing and Publication System, MapCAD. In 1995, China's first National Advanced GIS Software, Computer based GIS, MapGIS. In 2005, The fourth generation of large-scale distributed structure GIS, MapGIS 7.0

  3. Postal codes in China - Wikipedia

    en.wikipedia.org/wiki/Postal_codes_in_China

    China Post uses a six-digit all-numerical system with four tiers: the first tier, composed of the first two digits, show the province, province-equivalent municipality, or autonomous region; the second tier, composed of the third digit, shows the postal zone within the province, municipality or autonomous region; the fourth digit serves as the ...

  4. List of postal codes - Wikipedia

    en.wikipedia.org/wiki/List_of_postal_codes

    no codes 999078 is the dummy code used in China to represent Macau, but it is not used. Madagascar: MG: NNN Malawi: MW: NNNNNN [18] Malaysia: MY: NNNNN Maldives: MV: NNNNN Mali: ML: no codes Malta: MT: AAA NNNN KodiÄ‹i Postali Marshall Islands: 1 July 1963 MH: NNNNN, NNNNN-NNNN U.S. ZIP codes. Range 96960–96970. Mauritania: MR: no codes ...

  5. Address geocoding - Wikipedia

    en.wikipedia.org/wiki/Address_geocoding

    Address geocoding, or simply geocoding, is the process of taking a text-based description of a location, such as an address or the name of a place, and returning geographic coordinates, frequently latitude/longitude pair, to identify a location on the Earth's surface. [1]

  6. Geographic information retrieval - Wikipedia

    en.wikipedia.org/wiki/Geographic_Information...

    The study of GIR systems has a rich history dating back to the 1970s and possibly earlier. See Ray Larson’s book Geographic information retrieval and spatial browsing [20] for references to much of the pre-Web literature on GIR. In 2005 the Cross-Language Evaluation Forum added a geographic track, GeoCLEF.

  7. Geocode - Wikipedia

    en.wikipedia.org/wiki/Geocode

    A geocode is a code that represents a geographic entity (location or object). It is a unique identifier of the entity, to distinguish it from others in a finite set of geographic entities. In general the geocode is a human-readable and short identifier. Typical geocodes and entities represented by it: Country code and subdivision code. Polygon ...

  8. China's new national map has set off a wave of protests. Why?

    www.aol.com/news/chinas-national-map-set-off...

    China's Ministry of Natural Resources released the new “standard” national map on Monday, part of what it has called an ongoing effort to eliminate “problem maps.”

  9. China Historical Geographic Information System - Wikipedia

    en.wikipedia.org/wiki/China_Historical...

    The China Historical Geographic Information System (CHGIS) is a Historical GIS project for creating a database of populated places and historical administrative units for the period of Chinese history between 222 BCE and 1911 CE. The project creates a dataset which tracks changes in place names, administrative status, and geography.