Janko, this is an awesome idea! We could use it for templates - e.g. iD editor could show a list of these, and selecting one would pre-populate it. The combination would contain both keys (e.g. something that user would need to type in), and tags (key=specific value). It would be a bit more difficult to go the other way -- given an OSM feature, determine which tag_combination(s) would match it.
I am not sure I understood about the key+value property. Are you asking for a new string property to store "key=value" of the current tag? But that's already being stored as a sitelink (shown in the upper right corner). The only possible problem is that "_" and spaces are treated as equals, so in some rare cases we may have to store it as a string too. On Tue, Sep 18, 2018 at 1:52 PM Janko Mihelić <jan...@gmail.com> wrote: > This is wonderful news! I hope this will soon become the new principal tag > database to get semantic meaning out of OSM tags. Thank you to all involved! > > And now a few questions: > > Why isn't there key+value as a property? The Q888 (bridge:movable=bascule) > should have a property "Tag" which has the whole string, > "bridge:movable=bascule". That brings us to my second question: > > Are there plans to have tag combinations? I have a feeling combinations > are going to be the real killer application, because only with combinations > you can connect tags and real world classes of objects. For example, a > football field can't be put in the wikibase with any one tag. We need a tag > combination, leisure=pitch + sport=soccer. > Bridge:movable=bascule is also only an attribute of a bridge, not an > instance of a movable bridge. > > So I propose a new value, "instance_of":"tag_combination", and in it, we > can have two or more "Tag" properties that I proposed in the first half of > this post. > > Again, thanks for making this service! > > Janko > _______________________________________________ > Tagging mailing list > Tagging@openstreetmap.org > https://lists.openstreetmap.org/listinfo/tagging >
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