[OSM-talk] OSM Wikidata SPARQL service updated

Yuri Astrakhan yuriastrakhan at gmail.com
Sun Aug 13 17:49:55 UTC 2017


The combined SPARQL database of OSM and Wikidata has been updated:
* There is a short video explaining the basics (at the top of [1])
* new Wikidata interface
* now all OSM "wikipedia" tags and sitelinks in Wikidata are stored the
same way, so it is possible to cross-check when "wikidata" and "wikipedia"
tags do match up (see example [1])
* all ways now store "osmm:loc" with centroid coordinates, making it
possible to crudely filter ways by location
* all tag keys that contain non-latin chars, spaces, etc, are now also
stored without values in "osmm:badkey"

P.S. All OSM data is up to date, refreshed every minute. The data from
Wikidata is about two days behind, still catching up.

[1]
https://wiki.openstreetmap.org/wiki/Wikidata%2BOSM_SPARQL_query_service#Places_with_incorrect_Wikipedia.2Fwikidata_tags
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