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- Q3123248 subject Q7663209.
- Q3123248 abstract "Reverse geocoding is the process of back (reverse) coding of a point location (latitude, longitude) to a readable address or place name. This permits the identification of nearby street addresses, places, and/or areal subdivisions such as neighbourhoods, county, state, or country. Combined with geocoding and routing services, reverse geocoding is a critical component of mobile location-based services and Enhanced 911 to convert a coordinate obtained by GPS to a readable street address which is easier to understand by the end user.Reverse geocoding can be carried out systematically by services which process a coordinate similarly to the geocoding process. For example, when a GPS coordinate is entered the street address is interpolated from a range assigned to the road segment in a reference dataset that the point is nearest to. If the user provides a coordinate near the midpoint of a segment that starts with address 1 and ends with 100, the returned street address will be somewhere near 50. This approach to reverse geocoding does not return actual addresses, only estimates of what should be there based on the predetermined range. Alternatively, coordinates for reverse geocoding can also be selected on an interactive map, or extracted from static maps by georeferencing them in a GIS with predefined spatial layers to determine the coordinates of a displayed point. Many of the same limitations of geocoding are similar with reverse geocoding.Public reverse geocoding services are becoming increasingly available through APIs and other web services as well as mobile phone applications. These services require manual input of a coordinate, capture from a localization tool (mostly GPS, but also cell tower signals or WiFi traces), or selection of a point on an interactive map; to look up a street address or neighboring places. Examples of these services include the GeoNames reverse geocoding web service which has tools to identify nearest street address, place names, Wikipedia articles, country, county subdivisions, neighborhoods, and other location data from a coordinate. Google has also published a reverse geocoding API which can be adapted for online reverse geocoding tools, which uses the same street reference layer as Google maps.".
- Q3123248 wikiPageWikiLink Q1198122.
- Q3123248 wikiPageWikiLink Q1332343.
- Q3123248 wikiPageWikiLink Q1343004.
- Q3123248 wikiPageWikiLink Q1346408.
- Q3123248 wikiPageWikiLink Q16422.
- Q3123248 wikiPageWikiLink Q18822.
- Q3123248 wikiPageWikiLink Q22725.
- Q3123248 wikiPageWikiLink Q269608.
- Q3123248 wikiPageWikiLink Q28218.
- Q3123248 wikiPageWikiLink Q483130.
- Q3123248 wikiPageWikiLink Q7663209.
- Q3123248 wikiPageWikiLink Q772007.
- Q3123248 wikiPageWikiLink Q830106.
- Q3123248 wikiPageWikiLink Q838287.
- Q3123248 comment "Reverse geocoding is the process of back (reverse) coding of a point location (latitude, longitude) to a readable address or place name. This permits the identification of nearby street addresses, places, and/or areal subdivisions such as neighbourhoods, county, state, or country.".
- Q3123248 label "Reverse geocoding".