There is also What3Words.com, which give a three word name to each 3m square over the world. Longer that USNG but easier to remember/type/say.
David
On Wednesday, 13 May 2020 14:33:30 BST Basques, Bob (CI-StPaul) wrote:
> I've been following this thread with some interest.
>
> Was wondering if you ever thought about binding the textual address to a
> USNG location. https://usngcenter.org/
> You can easily add individual locations within something like a farm field
> with as few as eight unique digits that would identify each 10 meter
> square. I'm oversimplifying my response, but once you look through how the
> USNG works, you'll see the benefit for using it as a address/location
> uniqueness enforcing tool.
> It would easily allow for locating many different locations inside of a
> larger addressed location, as well as non, addressed locations. The USNG
> location can be thought of as a unique address unto itself, and works
> across the planet. No two are alike.
>
>
> Bobb
>
>
>
> -----Original Message-----
> From: Peter Devoy <peter@3xe.co.uk>
> Sent: Tuesday, May 12, 2020 3:56 PM
> To: Peter J. Holzer <hjp-pgsql@hjp.at>
> Cc: pgsql-general@lists.postgresql.org
> Subject: Re: Enforcing uniqueness on [real estate/postal] addresses
>
> Think Before You Click: This email originated outside our organization.
>
>
>
> >Is is possible to have two entries which have the same
> >address_identifier_general, street and postcode, but different
> >descriptions?
>
>
> Unfortunately, yes. The data comes from gov't systems to regulate the
> development/alteration of arbitrary pieces of property and those pieces do
> not always have a postal address. E.g. a farmer may one year apply to
> erect a wind turbine in "field north of Foo Cottage"
and the next year
> apply to demolish "barnhouse west of Foo Cottage".
> Now, I know what you are thinking, there is a normalization opportunity and
> you may well be right. However, the problem does exist in some of the other
> fields too and I am already facing a fair amount of join complexity in my
> schema so I am trying to figure out my options :)
>
> >(What is an address_identifier_general, btw?)
>
> Address identifier composed by numbers and/or characters. I'm using the
> terminology from the EU's "INSPIRE Data Specification on Addresses"
> Guidelines.
> I haven't yet had the opportunity to try out the above suggestions but I
> will post again when I have.
>
