[OSM-talk] #AttributionIsNotOptional experiment on OSM France tile servers

[Simon Poole]

Just for the record:

Enforcing attribution for services that you are providing directly (aka
tiles in some form) only has a small overlap with the goals of the
attribution guideline, and the avenues open to you depend on your ToUs /
contracts with your users and the legal situation in the countries you
are providing the service in.

I would be very very wary of doing anything that deliberately defaces a
web site without consulting with a local (to the country the web site is
in) lawyer, particularly if the message implies wrong doing. The safe, I
admit also the less fun, option, is to simply block access after giving
any required notice.

Simon 

Am 08.03.2020 um 11:04 schrieb Yves:
> This looks at first as a nuisance that could be perceived as a bad
> move, but the feedback you're receiving rather prove the contrary.
> Well done!
> Ps: would you share your nginx partial redirect, I may consider it for
> Opensnowmap tiles policy?
>
> Le 8 mars 2020 10:14:58 GMT+01:00, Christian Quest
> <cquest at openstreetmap.fr> a écrit :
>
>     Here is a hort report on this experiment...
>
>     I started a week ago by searching OSM France tile server logs for
>     referer and checked manually if the map on the refering page was
>     correctly attributed.
>
>     This allowed me to create a short list of 20 entries of sites
>     using the french styled tiles and the humanitarian tiles (yes, it
>     is made by OSM France).
>
>
>     I then modified our nginx based proxy_cache configuration, to
>     redirect some tiles to an "attribution tile" only for the domain
>     in the list.
>
>     For two of them, I tweeted about it... the most visible one is the
>     moroco yellow page service, generating a little less than a
>     million daily tile requests on our servers.
>
>     https://twitter.com/cq94/status/1234516075695525888
>
>     In less than 24 hours, the attribution appeared and I removed them
>     from the list.
>
>     https://twitter.com/cq94/status/1234779931537739776
>
>
>     Then I included an email address in the attribution reminder
>     tile... and got emails back within a few hours.
>
>     Some were asking how to do the attribution, others telling me the
>     attribution was now ok and asking how to remove the reminder tiles.
>
>     In my answers, I also remind that our tile service made by
>     volunteers on donated hardware is not unlimited and inviting them
>     to have a look at switch2osm to setup their own tile server or use
>     a commercial provider.
>
>     Up to now, nobody complained :)
>
>
>     Yesterday, I've started automating attribution checking using
>     selenium. For each referer, a python script loads the page,
>     searches for tiles, then looks for attribution text or link. The
>     result is stored in a postgresql database which allows to group
>     referers by url, hostname and ip.
>
>     The attribution percentage I currently see is around 70-80% which
>     is not that bad.
>
>     My next major step is to use the same technique to remind about
>     tile usage policy...
>
>
>     To do something similar on osm.org, a first step is to extract
>     referers from the cache logs, then use the automated attribution
>     check to evaluate the situation.
>
>
>     Le 08/03/2020 à 01:52, Nuno Caldeira a écrit :
>>     That would be a good option for those that use third party
>>     providers of OSM. But to be honest, from my experience I highly
>>     doubt that even corporate members of OSMF, like Mapbox would do
>>     it, when their client Facebook (also corporate member of OSMF)
>>     after one year and half, still has maps with lack of attribution
>>     or attributed to HERE, when it's clearly OSM. 
>>
>>     On Sun, 8 Mar 2020, 00:46 Phil Wyatt, <phil at wyatt-family.com
>>     <mailto:phil at wyatt-family.com>> wrote:
>>
>>         I am sure others may have seen this 'blacklist'
>>         implementation for showing a reminder about attribution.
>>
>>         https://twitter.com/cq94/status/1234528717604577282
>>
>>         Worthy of consideration for openstreetmap.org
>>         <http://openstreetmap.org>?
>>
>>         Cheers - Phil
>>
>     -- 
>     Christian Quest - OpenStreetMap France
>
>
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