[OSM-talk] Facebook mapping highways using AI in collaboration with OpenStreetMap

Kathleen Lu kathleen.lu at mapbox.com
Mon Jul 29 16:57:59 UTC 2019


On the other hand, if the map of your area is completely blank, it looks
very daunting to a new mapper, who may be discouraged and abandon OSM
(either as too difficult to improve and as too poor quality to use).
The map is constantly changing because roads and other things on the map
are changing in the real world. A city might close off a road and then it
will become a "bad" street. It's easier to delete a bad street than to add
a bunch of streets, especially when you are surveying on foot and don't
have a mouse.
I personally would much rather have a 101% map than a 1% map.

On Mon, Jul 29, 2019 at 9:21 AM Joseph Eisenberg <joseph.eisenberg at gmail.com>
wrote:

> Re: "OSM map with a one percent of roads is far worse than having 101%
> of the roads mapped with the help of AI with 1% of extras, because
> fixing that 1% is far less work than adding 99% by hand"
>
> I'm not certain this is true. It might be very difficult to find the
> 1% of incorrectly mapped roads; you don't know where to look, and you
> must survey on the ground with GPS, and check each road segment to
> find the 1% that actually are blocked by a fence or gate or don't
> really go through that clump of trees.
>
> In contrast, when 99% are missing it's very obvious when looking at
> the map data. You still have to survey and add the streets, but it may
> actually be faster to get to a complete map of your home neighborhood,
> than trying to find 10 bad streets out of 1000 segments in your
> neighborhood.
>
> Finally, when you look at the map and it looks 100% complete, you
> won't see the need to start mapping and become a totally addicted
> OSMer like you will if your village is only 1% mapped, so we may not
> get the new contributors that we need to actual maintain the data that
> our robot mappers have added.
>
> Joseph
>
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