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Only one of multiple nearby identical addresses found #5390

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openstreetmap-trac opened this issue Jul 23, 2021 · 1 comment
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Only one of multiple nearby identical addresses found #5390

openstreetmap-trac opened this issue Jul 23, 2021 · 1 comment
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Component: nominatim Priority: minor Resolution: worksforme Type: defect

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Reporter: ervion
[Submitted to the original trac issue database at 2.06pm, Friday, 4th March 2016]

For example "Pepleri 21" returns only https://www.openstreetmap.org/way/226264807 even under "More results", even though looking at the map data https://www.openstreetmap.org/way/30234940 looks also a good candidate.
@openstreetmap-trac openstreetmap-trac self-assigned this Jul 23, 2021
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Author: mtmail
[Added to the original trac issue at 4.27pm, Thursday, 10th March 2016]

Both buildings are found, but as a last step one gets removed as duplicate. You can switch off that behavior by adding &dedupe=0

Example:
http://nominatim.openstreetmap.org/search.php?q=Pepleri+21%2C+Tartu&dedupe=0

Duplicates are removed when their name, OSM type and admin level are the same. The less important result gets removed but for these two buildings the importance score would be the same so which one gets removed can be random.

See also
http://wiki.openstreetmap.org/wiki/Addresses#Multiple_buildings_for_one_housenumber

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Component: nominatim Priority: minor Resolution: worksforme Type: defect
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