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

john whelan jwhelan0112 at gmail.com
Mon Jul 29 17:25:34 UTC 2019

I agree with Kathleen.  Given that smartphones are more common than
internet connected computers and it is easier to add or change tags on a
smartphone than add a long highway at least the locals stand more chance
this way.

Cheerio John

On Mon, Jul 29, 2019, 1:00 PM Kathleen Lu via talk, <talk at openstreetmap.org>

> 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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