Il giorno 10/mar/2012 15:25, "Josh Doe" <[email protected]> ha scritto: > > On Sat, Mar 10, 2012 at 6:38 AM, Martin Koppenhoefer > <[email protected]> wrote: > > Looking at the key name and values this looks like the date when the > > external database included the object in their system. Why on earth > > should we keep track of this in OSM? Doesn't seem to be a > > geoinformation to me. > > I've made a practice of removing all tiger:* tags, and most gnis:* > tags (except feature_id) after verifying a feature. The only external > data that I think belongs in OSM is a reference number (i.e. primary > key, e.g. gnis:feature_id) that can be easily maintained (e.g. no > tiger:tlid), and that should end if/when we have persistent IDs. And I > think we shouldn't use a private namespace but put it under the ref:* > namespace, which makes clear the purpose of the data. > > -Josh >
+1 I think that for correlating imported items to the original dataset it's needed only a tag that references the primary key. In italy there's a similar case with lombardy. Stefano > _______________________________________________ > Tagging mailing list > [email protected] > http://lists.openstreetmap.org/listinfo/tagging
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