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Maniphest T141080

Wikidata items with two coordinates do not show up in geosearch
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Description

Items having two or more values for P625 do not show up in geosearch.

Example: Item https://www.wikidata.org/w/index.php?title=Q1801721&oldid=356360874 has two coordinates set (47.1561, 11.0958 and 47.15, 11.1).
https://www.wikidata.org/w/api.php?action=query&list=geosearch&gsbbox=47.15651|11.09557|47.15570|11.09608 does not contain the item.

I'm aware that according to https://www.wikidata.org/wiki/Property_talk:P625, "Single value: this property generally contains a single value". Multiple coordinates originate from importing coordinates from different Wikipedias or when merging two Wikidata items.

Not taking any coordinate is bad since the item cannot be found via geosearch (or https://www.wikidata.org/wiki/Special:Nearby). I'm not sure whether one should take the first value or all values instead.

I guess this relates to T75482.

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Event Timeline

simon04 created this task.Jul 22 2016, 8:46 AM
Restricted Application added a subscriber: Aklapper. · View Herald TranscriptJul 22 2016, 8:46 AM
Sjoerddebruin subscribed.Jul 23 2016, 2:19 PM

What happens if you set one of them to "preferred value"?

simon04 added a comment.Jul 24 2016, 6:42 PM

After setting 47.1561, 11.0958 to preferred value, the item appears in the geosearch.

simon04 added a comment.Nov 7 2016, 8:57 PM

Any update on this?

edwardbetts subscribed.Jan 4 2017, 11:57 AM
Braveheart subscribed.Feb 4 2017, 6:11 PM
JeanFred subscribed.Feb 23 2017, 1:02 PM
JeanFred added a comment.Feb 23 2017, 1:07 PM

Looks like there are potentially 24.408 such items on Wikidata − although some of that would have a preferred qualifier. Would someone with better SPARQL-fu would be able to do the counts with that in mind?

TheDJ subscribed.Mar 12 2020, 9:59 AM

This logic should be somewhere in here https://github.com/wikimedia/mediawiki-extensions-Wikibase/blob/HEAD/repo/includes/ParserOutput/GeoDataDataUpdater.php

It has changed a bit since this report, so maybe it no longer exists ? If i now check that geosearch output, the entry seems present so.
Please close if this is no longer an issue.

Restricted Application added a project: Discovery-Search. · View Herald TranscriptMar 12 2020, 9:59 AM
matej_suchanek added a project: TestMe.Mar 12 2020, 10:08 AM
EBernhardson moved this task from needs triage to Geodata on the Discovery-Search board.Mar 12 2020, 7:08 PM
TJones triaged this task as Medium priority.Aug 27 2020, 9:27 PM
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