[Tagging] addresses on buildings
pla16021 at gmail.com
Tue Jan 7 20:14:12 UTC 2020
On Tue, 7 Jan 2020 at 19:42, Colin Smale <colin.smale at xs4all.nl> wrote:
I'm glad you said "probably", because it is of course not always true. And
> these edge cases are what we need to accommodate. Limiting the discussion
> to just handling the easy cases is cheating.
I know it's not true because I've had to deal with some of these oddities.
Sometimes we can have a scheme that handles oddities in its stride without
imposing unnecessary difficulties on the normal cases. I haven't seen
suggest anything like that (yet) for addresses. But I still think we
for the common case and not optimize for the abnormal case. Make the easy
easy and the hard things possible rather than make everything hard.
> Bit of a philosophical question: What is an address? In the UK, the Post
> Town and Postcode are for the purposes of delivering mail. If they happen
> to be useful to other parties, that's great, but it is only a side-effect.
Post town is actually the opposite of useful. People put the post town in
rather than their nearest named locality which makes it hard to find them
at a printed map. Actual nearest locality is far more useful whether
looking at a
printed map or making a nominatim query. Post Town is no longer necessary
delivering mail, it's just a historic artefact that serves no useful
purpose any more.
> The street name, plus house number/name, are more directly addressed at
> members of the public trying to find the property in question.
Street name is more useful than postcode in actually going to an address
you're using a satnav (and then it depends on the size of the postcode
of the address relative to the postcode centre, etc.) But a lot of rural
around here don't have names (they may once have had, but they have faded
memory/use). Sometimes house name/number and postcode are all you have.
Administrative boundaries are not relevant in UK addressing, unlike many
> European countries (I know about NL, DE, BE, FR) where "places" have
> defined boundaries.
Administrative boundaries are not usually relevant but are often given and
required when filling in forms. They sometimes are relevant; there are
localities called Tarbert (sounds like a Dilbert character) in Scotland and
postcode you need a county to figure out which one is which. There are
in the UK where the county is needed to disambiguate, and even some where
more than just the county.
> The relationship between buildings and postcodes is N:M. If we replace the
> word "building" with "premises" and saying that an address refers to a
> "premises" may get us a bit closer, given that a "premises" may consist of
> part of a building, a whole building, multiple buildings or any
> combination thereof.
I simplified, a little. For anything that has a postal address in the UK,
number or name, plus the postcode, uniquely identifies it for the purposes
deliveries. But the other stuff can be useful for other purposes.
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