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

Yves yvecai at mailbox.org
Wed Jul 31 07:27:59 UTC 2019


John, Kathleen, thank you for this perspective I did not have.
Yves 

Le 29 juillet 2019 19:25:34 GMT+02:00, john whelan <jwhelan0112 at gmail.com> a écrit :
>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>
>wrote:
>
>> 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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>>> talk at openstreetmap.org
>>> https://lists.openstreetmap.org/listinfo/talk
>>>
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