https://lucene.apache.org/core/3_5_0/api/all/org/apache/lucene/spatial/geohash/package-summary.html
org.apache.lucene.spatial.geohash (Lucene 3.5.0 API)
apache lucenespatialgeohashapi
https://dev.mysql.com/doc/refman/5.7/en/spatial-geohash-functions.html
MySQL :: MySQL 5.7 Reference Manual :: 12.16.10 Spatial Geohash Functions
reference manualmysql
https://dev.mysql.com/doc/dev/mysql-server/latest/classItem__func__geohash.html
MySQL: Item_func_geohash Class Reference
mysqlitemfuncgeohashclass
https://datameer.atlassian.net/wiki/spaces/DAS70/pages/31963974522/GEOHASH_ENC
GEOHASH_ENC - Datameer v7 - Confluence
geohashenc
https://docs.foursquare.com/analytics-products/docs/expressions-geohash
Geohash Functions
Encode or decode Geohashes in new columns using the expression editor. Compute Geohash neighbors, evaluate whether a Geohash is valid, and more.
geohashfunctions
https://geohash.softeng.co/
Geohash Explorer
geohashexplorer
https://www.elastic.co/guide/en/elasticsearch/guide/current/geohash-grid-agg.html
Geohash Grid Aggregation | Elasticsearch: The Definitive Guide [2.x] | Elastic
the definitive guidegeohashgridaggregationelasticsearch
https://forums.mysql.com/read.php?23,611578,611578,quote=1
MySQL :: MySQL 8.0: GIS, GeoJSON, GeoHash, InnoDB-RTree, Boost.Geometry
mysqlgisgeojsongeohashinnodb
https://docs.spring.io/spring-data/elasticsearch/reference/6.1-SNAPSHOT/api/java/org/springframework/data/elasticsearch/utils/geohash/package-summary.html
org.springframework.data.elasticsearch.utils.geohash (Spring Data Elasticsearch 6.1.0-SNAPSHOT API)
declaration: package: org.springframework.data.elasticsearch.utils.geohash
https://dev.mysql.com/blog-archive/geohash-functions/
MySQL :: Geohash Functions
mysqlgeohashfunctions
https://dev.mysql.com/doc/refman/8.0/en/spatial-geohash-functions.html
MySQL :: MySQL 8.0 Reference Manual :: 14.16.10 Spatial Geohash Functions
reference manualmysql