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Locality-Sensitive Hashing with the Hilbert Curve for fast reverse geocoding

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No logo availableFOSS4G
Logo of Open Source Geospatial Foundation (OSGeo)Open Source Geospatial Foundation (OSGeo)
 Ruci, Ervin

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Locality-Sensitive Hashing with the Hilbert Curve for fast reverse geocoding
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266
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CC Attribution 3.0 Germany:
You are free to use, adapt and copy, distribute and transmit the work or content in adapted or unchanged form for any legal purpose as long as the work is attributed to the author in the manner specified by the author or licensor.
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Release Date2023
LanguageEnglish

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Abstract
3geonames.org is a free api for fast reverse geocoding, using a new technique of locality-preserving hashing of 2d/3d spatial points to 1d integers via a combination of Hilbert curve and bit interlacing. This talk expands on the use-case and the performance/accuracy advantages of this technique.