[Tagging] Draft of proposal tag 'sells' for shops..

Ralph Aytoun ralph.aytoun at ntlworld.com
Sun Mar 6 08:47:36 UTC 2016

My personal opinion is that this is getting totally out of hand.
Shops pay a lot of money to advertise their wares and you are stepping in 
and trying to do commercial marketing for free.
Not only that but who is going to maintain this information? Shops rotate 
their stocks on a seasonal basis. They also stock multiple brands!

So we will end up with tagging ...
etc. etc. etc.

With this kind of trend we are definitely moving away from the realms of 
sustainable Mapping and creating some kind of stock take for each shop! And 
some of us know that with regard to stock taking even the shops themselves 
are hard pressed to maintain an up-to-date record. So where does that leave 
us two weeks, two months or two years down the line?

If GIS professionals want to access this kind of detail for a study of shops 
in an area they would be totally nuts to use the Openstreetmap data for 
their study, for any kind of credibility they would have to do an up-to-date 
stock check of the shops in the study area before embarking on this kind of 
study. I would prefer if we concentrated on just identifying whether it is a 
clothing shop or a jewellery shop with a link to the shop's website for more 
up-to-date detailed information of what that shop is promoting rather than 
seeing time and effort spent on this kind of unsustainable detail.

Just my humble opinion.

-----Original Message----- 
From: Warin
Sent: Sunday, March 06, 2016 7:52 AM
To: tagging at openstreetmap.org
Subject: Re: [Tagging] Draft of proposal tag 'sells' for shops..

On 6/03/2016 5:58 PM, Marc Gemis wrote:
> I like this, but have a few question:
> - Do we always place brand at the end ?
> e.g. sells:cloths:children:Mói=yes
> or sells:cloths:Mói:children=yes ?
> - Can we somehow define whether one should use
> sells:cloths:children vs. sells:children_cloths
> what I mean can we put forward some "rules"  or "guidelines" for
> defining new subkeys ?.

Guide line? Possible?

>From least to most specific.

I think that should be the overall principle .. appears to be a principle 
inuse by OSM .. at least I think so?

More specific?

I would reject sells:children_cloths and accept sells:cloths:children as 
this is more universal method (applies to bread etc)?

I would put the brand last - as that is more specific than the type (of 
clothing, bread etc).

> - Do we always need all subkeys ?
> e.g. sells:clothes:brandX:women=yes
> sells:clothes:brandX:men=yes
> sells:clothes:brandX:children=yes
> or sells:clothes:women:brandX, ...
> or is it in that case sufficient to write
> sells:clothes:brandX=yes

I think the last would be sufficient, and should indicate that most, if not 
all, products made by that firm are for sale.

But the first 3 would be very clear that at least those 3 types are sold 
(but tagging rearranged to brand last).

At least for some tags OSM has two complimentary kinds of tagging in the 
data base.

e.g. oneway=no compared to no tags for oneway. Both are taken as meaning the 
same thing. There are others, but I cannot think of them now.

> - how do we incorporate all the values for clothes in this ?
> http://wiki.openstreetmap.org/wiki/Key:clothes

1:1 substitution for all values?
cloths:women becomes sells:cloths:women ?

Similar for

the tag stamps=yes becomes sells:stamp=yes Or better yet would be

As both exist in various countries! And there could be more different kind 
of stamps?

! You see I have not gone far in my thinking ... but certainly further than 

> I guess similar questions will pop up for other goods.
> I hope the general principle will be accepted without too much
> problems, but I expect quite some discussions on the subkeys.
> (neverending discussions :-)  )

Yep. And there will be future 'problems'.

> regards
> m

Keep them coming!

> On Sun, Mar 6, 2016 at 2:01 AM, Warin <61sundowner at gmail.com> wrote:
>> sells:motorcycle:yamaha=yes
>> sells:motorcycle:honda=yes
>> sells:bread:wholemeal=yes
>> sells:bread:sourdough=yes
>> sells:bread:tip_top=yes
>> sells:cloths:children=yes
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