[Geocoding] [OpenStreetMap] #5185: administrative level 7 used for search

[OpenStreetMap]

#5185: administrative level 7 used for search
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 Reporter:  trial                    |      Owner:  geocoding@…
     Type:  defect                   |     Status:  new
 Priority:  minor                    |  Milestone:
Component:  nominatim                |    Version:
 Keywords:  boundary:administrative  |
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 In France (at least) it makes little sense to use boundary:administrative,
 level 7 (canton).
 Reason: this level is only due to the strange elections made to
 administrative level 6 (département), it has little (if any) sense for
 ordinary people.

 "biocoop, Mellac" retrieves the correct result.
 But for "everybody", you can mention the Biocoop as the Biocoop in
 Quimperlé, the strip mall of "Quimperlé" being located in Mellac.

 "Biocoop near Quimperlé" fails
 "Biocoop, Quimper" works. It should not (Mellac is not really near to
 Quimper)
 "Biocoop, Quimperlé works. It should (Mellac is close to Quimperlé).

 In http://nominatim.openstreetmap.org/details.php?place_id=3673801205, you
 see that Mellac is part of the administrative region "Canton" of Quimper.

 This is pretty similar to bug #4812, but may be a modification for mon bug
 could change the results for the other.

 N. B.: may be the "good" or the "right" solution is to remove the
 administrative level 7 for France in OSM as this "information" is more a
 problem than anything else (the name is the name of the town being the
 chef-lieu de canton, the side effect is that you see Mellac, Quimper (at
 most the result should be Mellac, canton de Quimper, otherwise the second
 town is misleading). So maybe more something to report to
 openstreetmap.fr?

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Ticket URL: <https://trac.openstreetmap.org/ticket/5185>
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