[Talk-it] "CC-BY" and "CC-BY-IT" licences

Andrea Musuruane musuruan a gmail.com
Ven 1 Set 2017 15:11:44 UTC


On Fri, Sep 1, 2017 at 12:03 PM, Andy Townsend <ajt1047 at gmail.com> wrote:

> Hello Italian mappers,
> The DWG has recently been asked about some data imported into OSM under a
> "CC-BY-IT" licence.  The relevant changeset discussion, where "CC-BY-IT"
> was first mentioned, is http://www.openstreetmap.org/changeset/50067983 .
> Does anyone know anything about that licence?  The usual web searches
> don't turn up anything obvious.  The changeset discussion mentions
> "Creative Commons Italia", but that's unlikely to be directly relevant here
> since it's English and Welsh law that applies to OSM as opposed to any
> other legal system (and in any case I'd leave licence suitability questions
> to the licence working group - they have for more experience dealing with
> such questions than me).
> Obviously there a whole series of other questions about the import and the
> quality of the data in it, but that's a separate issue - here I'm just
> asking if anyone can point me at any details for this licence.

The "Milano - Fontanelle" data set available at
https://geoportale.comune.milano.it/sit/open-data/ seems to be the original
data set.

If you try to download it, the following notice will appear:

*"Avvertenze e Limitazioni d'usoI dati così come mostrati non sono validati
dal Comune di Milano e pertanto il loro scopo è da considerarsi
esclusivamente informativo. Il Comune di Milano non fornisce alcuna
dichiarazione né di garanzia né di altro genere in merito e non è in ogni
caso responsabile, né assume alcuna responsabilità, circa un eventuale
utilizzo fatto da terzi del materiale. Dati forniti da Metropolitana
Milanese proiettati nel sistema GAUSS-BOAGA e distribuiti con licenza CC-BY
<http://creativecommons.org/licenses/by/2.5/it/deed.it> - Dati estratti da
© OpenStreetMap contributors (http://www.openstreetmap.org/copyright
<http://www.openstreetmap.org/copyright>) proiettati nel sistema WGS con
licenza ODbL."*

Automatic translation:

*"Warnings and Limitations of UseThe data as shown are not validated by the
Municipality of Milan and therefore their purpose is to be considered only
informative. The Milan City Council makes no representations or warranties
of any kind, nor is it in any way liable or liable for any use by third
parties of the material. Data provided by the Metropolitana Milanese
projected in the GAUSS-BOAGA system and distributed under CC-BY license
<http://creativecommons.org/licenses/by/2.5/it/deed.it> - Data extracted
from © OpenStreetMap contributors (http: // www .openstreetmap.org
<http://openstreetmap.org> / copyright) projected in the ODBL licensed WGS

The ZIP file contains two shape files: one with the CC-BY licensed data and
the other one with ODbL licensed data (which are taken from OSM).

They pointed to a summary of the CC-BY 2.5 license written in Italian.
AFAIK this doesn't mean anything. The original English CC-BY 2.5 written in
English still applies.

The first line also states: "Questo è un riassunto in linguaggio
accessibile a tutti (e non un sostituto) della licenza.", Engish: "This is
a human-readable summary of (and not a substitute for) the license."

Therefore I believe the data are licensed under CC-BY 2.5.

Metropolitana Milanese is the data owner. If they are interested in having
their data in OSM, they could change the license (for example to the more
ODbL-friendly IODL) or they can supply a waiver.


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