On Mon, Jun 17, 2013 at 7:56 AM, Clifford Snow <[email protected]>wrote: > > At last years SOTM-US conference, USGS showed a pilot program using a > modified version of Potlatch2 to update GNIS database with volunteers. If > they use this plan, the id tag could be used to compare OSM with the new > data. It would us to compare the existing OSM data with the new GNIS data. > For now I would suggest leaving that tag in OSM. >
Any conflation (matting of new data to OSM data) should use multiple fuzzy clues: location, name, type. The gnis id tag is useful as a fuzzy clue. Every clue is useful. I think *keeping* the tag makes sense, even though *depending* on the tag would be asking too much.
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