Lots of negativity here. I'm all for this import. I like the fact a major American tech company is willing to pour resources into an open source project. All this data benefits FB but rather than hoarding it in their own map, they're opting to put it on OSM. On Thu, Mar 16, 2017 at 07:38 Christoph Hormann <o...@imagico.de> wrote:
> On Thursday 16 March 2017, James wrote: > > > > Seeing as facebooks computational power will rival that of super > > computers, even if you wanted to recreate it, it would probably take > > you 1000 years of home computing power to "train" the neural network > > to recognise roads, at which point we will all be dead. > > That is not how this works although i understand how PR of Facebook and > others makes people believe that. > > You can perfectly use neural networks and other 'artificial > intelligence' techniques on hardware accessible to normal people. The > difficulty with getting useful results with such techniques is not the > computing power required (this hardly ever is the case for anything > these days), it lies in adjusting such a system for the task at hand > and training it to produce useful results. In contrast to an > intelligent human who validates his/her conclusions with a large amount > of life experience an artificial intelligence will happily produce any > kind of nonsense if it is set up to do so - either voluntarily or > accidently because of lack of expertise in using these techniques. > > Which is exactly why we need to evaluate the results in full before an > import in OSM and not just a small sample area. > > This is also a kind of chicken-and-egg problem - people use 'artificial > intelligence' techniques because they don't want to bother with > analyzing and understanding the underlying mechanisms of a problem they > are trying to solve so they say "let's just have the AI figure it out". > However to really properly set up and train the AI they actually need a > thorough understanding of the underlying mechanisms. > > If Facebook does not want to open their methodology for whatever reason > that is perfectly fine but if they want to import their results in OSM > they need to either open their process or open the data as a whole for > us to evaluate before the import - as i already explained in my initial > reply. > > -- > Christoph Hormann > http://www.imagico.de/ > > _______________________________________________ > Imports mailing list > Imports@openstreetmap.org > https://lists.openstreetmap.org/listinfo/imports > -- Elliott Plack http://elliottplack.me
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