[Talk-us] Chicago Buildings Redux

Alex Barth alex at mapbox.com
Fri Feb 22 02:35:21 UTC 2013


Awesome. NYC used to have the same retraction clause, luckily sane forces
did away with it there, too.

Bit by bit US city governments are outrunning OSM in openness :)


On Wed, Feb 20, 2013 at 11:23 PM, Skye Book <skye.book at gmail.com> wrote:

> That is incredibly encouraging news, congrats on the win!  A few years
> back I started a small discussion on Talk-US on whether or not the NYC data
> license was usable as it has a very similar, if not identical, clause in
> their own license (The conclusion was the same as yours).
>
> I'm curious if this is perhaps a term that Socrata offers in their
> configuration that cities and municipalities opt-in for.  In any case,
> thanks for sharing this news.. Definitely something I'll add to my mental
> list of open data success stories :)
>
> -Skye
>
> On Feb 20, 2013, at 10:31 PM, Ian Dees <ian.dees at gmail.com> wrote:
>
> Hi imports,
>
> Earlier last year I downloaded the Chicago building footprints shapefile
> [0] from the Chicago data portal, chopped it into manageable bits and
> started importing it into OSM. Halfway through the process of merging and
> uploading this data I read the data portal's license [1] closer,
> discovering a clause that makes the datasets offered there incompatible
> with OSM. The troublesome clause allows the City of Chicago to require
> removal of any City data at any point in the future:
>
> "The City may require a user of this data to terminate any and all
> display, distribution or other use of any or all of the data provided at
> this website for any reason including, without limitation, violation of
> these Terms of Use or other terms as defined by City agencies or
> departments contributing data to this website."
>
> When I noticed this I immediately stopped uploading data and began a
> conversation with the city's data team to discuss ways OSM could move
> forward with using the datasets listed on the portal.
>
> After several months of phone calls, meetings, and waiting, I'm pleased to
> announce that the City of Chicago has started to release some of its
> datasets under the MIT license on GitHub: [2].
>
> As a result of this new license, I will be able to continue importing the
> excellent buildings and address data into OSM (more on that later) and
> businesses will be able to use this data in their apps and tools without
> worrying about an untested license.
>
> I'm pretty excited about this, as Chicago is seen as a leader in municipal
> data and other OSM/Open Data folks can point to this as proof that open
> licensing is a very important part of open data.
>
> -Ian
>
> [0] https://data.cityofchicago.org/Buildings/Building-Footprints/w2v3-isjw
> [1] http://www.cityofchicago.org/city/en/narr/foia/data_disclaimer.html
> [2] https://github.com/chicago/
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