On 2020-08-18 20:55, Clay Smalley wrote:

> On Tue, Aug 18, 2020 at 11:26 AM Colin Smale <colin.sm...@xs4all.nl> wrote: 
> 
>> There are two use cases here: one is "what is the address of this building 
>> (or whatever)" and the other is the reverse situation: "where can I find 
>> number XXX". As long as we have tagging that is potentially ambiguous we 
>> won't be able to cover both. 
>> In the US I know of cases where an apartment number can follow the street 
>> address, i.e. 10-321 meaning Street Address 10, apartment 321. In Europe I 
>> know of the suffix being used to indicate apartment number, or floor number 
>> - e.g. 379-3 meaning Street Address 379, Floor/Flat 3. Sometimes other 
>> characters are used for the floor/flat such as A/B/C or I/II/III - in these 
>> cases it is unambiguous because it is non-numeric.
> 
> Can you point out some examples? I've never seen that syntax used in US 
> addresses.

If you mean the US example, some friends were living in Long Island
City, Queens, NY, and their apartment address was something like
1100-157 50th Ave. The other examples are possibly typically European.
Here in the Netherlands there are all kinds of notations in use for
sub-units. The national addressing standard has a field for an
alphanumeric "house number suffix" for this that people in IT know
about, but the average Johan might not know what a
"huisnummertoevoeging" is. Normally the full number, including the
suffix, is written together with some kind of separator. 

There are also areas where the whole neighbourhood has a single street
name, and everybody has a very long house number; the initial digits of
the house number indicate the specific road within the neighbourhood.
Sometimes these house numbers are written as 123-45 to aid navigation. 

>> On the other hand using the "1-5" notation to indicate a range is pretty 
>> well understood in the UK at least. What it is missing is the 
>> "interpolation" value (even, odd, all). 
>> So let us sort this mess out by defining: 
>> 1) that a hyphen indicates a range 
>> 2) sub-addresses like a floor or apartment number must not use the hyphen 
>> notation, but must be given in addr:unit 
>> 3) an address using the range syntax should indicate the interpolation 
>> scheme by means of addr:interpolation=*
> 
> This leaves the situation in Queens, NY unsolved, where hyphenated addresses 
> do not indicate ranges.

As I mentioned above I know that hyphenated addresses can be used for
subdivisions (apartments etc). Are there any other scenarios for
hyphenated addresses?
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