[Tagging] How do you say "no" with semicolon'ed lists? Re: Facts and opinions
pla16021 at gmail.com
Tue Jan 8 15:39:04 UTC 2019
On Tue, 8 Jan 2019 at 15:27, Rory McCann <rory at technomancy.org> wrote:
> How do you do that? To me "sells:blah=no" is clear: that blahs are, by
> default, sold in this type of thing, but aren't here. Is there a
> standard way to do that with semicolon'ed values?
Yes. You list all the things that are sold there and omit blah from that
Admittedly, that leaves uncertainty: is blah unlisted because the mapper
got tired of typing
in all the items sold, or because the mapper is unsure, or because blah is
sold there despite expectations that it is the type of shop that would sell
The uncertainty could be resolved for consumers that run algorithms by
using "!blah" but would
likely be misinterpreted by consumers that are not versed in computer
Or, assuming that we have a sells=* tag then, we could add a does_not_sell
It's not insoluble using lists. It's a matter of which approach works best
for all concerned.
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