[Talk-ca] Cleanup of addr:country, addr:province, addr:state

Matthew Darwin matthew at mdarwin.ca
Mon Feb 19 15:44:50 UTC 2018

Hi Clifford,

(It was good to meet you at SOTM US last year).

Thanks for your comments... The situation with addr:city appears to me 
to be more complex than the situation with addr:province/addr:country, 
along the lines of what you are mentioning. My personal home mailing 
address cannot be resolved in OSM because the mailing address does not 
match any of the boundaries.  (OSM boundaries are correct, but the 
official post address cannot be resolved from the boundaries). So I 
have a feeling that addr:city is going to be required, at least in 
some cases.

Do you have a view on addr:province/addr:state or addr:country?  
US/Canada probably have more similarities than differences, so your 
input is very welcome.

On 2018-02-19 10:36 AM, Clifford Snow wrote:
> Matthew,
> Just one concern - Removing of addr:city. I encourage people to 
> include addr:city since it's part of their mailing address and could 
> easily be outside of the city limits. While addr:city isn't needed 
> inside of city boundaries since it can be obtained from their 
> spatial location, does make it much easier to full addresses from 
> OSM. I would recommend not removing addr:city.
> My perspective is from the states where I'm familiar with how the US 
> Postal service operates. If this isn't true in Canada - please ignore.
> Clifford
> On Mon, Feb 19, 2018 at 7:21 AM, Matthew Darwin <matthew at mdarwin.ca 
> <mailto:matthew at mdarwin.ca>> wrote:
>     I want to bump up this thread to see what other opinions are out
>     there.  If you are supportive to remove the addr:province and
>     addr:country tags in Canada, please speak up.  I don't like
>     making big changes with only 1 comment.  (If you like, feel free
>     to reply privately to me avoid bombarding the list with "me too"
>     and I will summarize the replies on the list).  Prior to
>     starting this discussion, I too have been removing these tags
>     when I come across them (a few places in London, ON had
>     country=US???)
>     Alternately my proposal would be to:
>       * change addr:state => addr:province
>       * add ~2.7 million missing  addr:province / addr:country where
>         they don't exist
>       * an then then to standardize what we are putting into those
>         fields.  eg for addr:province in Ontario: ON, on, Ontario,
>         ONTARIO, Ont, ont, or the several other variations that
>         exist today.  ("ON" is most popular, followed by "Ontario")
>     If you don't like either of the above, I would really like to
>     hear why having the tags in some places but not others is a good
>     thing.  As you may have noticed based on my posts over the last
>     few weeks that I like to have things (more) consistent, unless
>     there is a (good) reason not to be consistent.
>     On 2018-02-16 12:52 PM, Alan Richards wrote:
>>     I typically remove these tags when I come across them, as yes,
>>     I've heard the same argument that they're redundant.
>>     I like all this cleanup you've been doing with phone numbers,
>>     addresses, etc. Kudos!
>>     On Fri, Feb 16, 2018 at 9:40 AM, Matthew Darwin
>>     <matthew at mdarwin.ca <mailto:matthew at mdarwin.ca>> wrote:
>>         Hi all,
>>         During the discussion of cleaning up municipality names in
>>         Canada, it was suggested that the addr:city could be
>>         removed entirely if the appropriate boundaries are
>>         defined.   I would hazard to guess (and will endeavour to
>>         investigate) that the addr:city and the boundaries do not
>>         always align in Canada (there are ~11300 administrative
>>         boundaries of some type and there are ~7000 unique
>>         addr:city tags)... so this will be a much more long term
>>         effort.
>>         However, the provincial/territorial boundaries are defined,
>>         so removing the addr:country, addr:provice and addr:state
>>         tags might be a more reasonable at this time. 
>>         (addr:country is used ~94% less than addr:street)
>>         Tags, by number of occurrences:
>>          167902 addr:country
>>           33252 addr:state
>>          179741 addr:province
>>         2950115 addr:city
>>         2942159 addr:street
>>         2934341 addr:housenumber
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