Hoi,
What I fail to understand in this discussion about licenses is what it is
we achieve by being restrictive.
Our license is CC-0 so anybody can do with our data as they please. When we
allow query with any and all external sources, there are activities that
may not be possible because of a license. What are they?
When people link Wikidata and compare values, finding a difference is imho
not licensed because it is original research.
When people link Wikidata and add Wikidata statements elsewhere, it is
allowed because of our license.
When people link Wikidata and add items or statements to Wikidata only then
there is a reason to respect the license of the external source and
disallow it. I can imagine that we disallow update statements in Wikidata
based on the license of the external Source.
For all other objectives it is the user who is responsible for his actions.
Not allowing this is imho contrary to our motto: "sharing in the sum of all
knowledge".
Thanks,
GerardM
On 1 April 2017 at 14:14, Maarten Dammers <maarten(a)mdammers.nl> wrote:
Hi Stas,
On 01-04-17 00:54, Stas Malyshev wrote:
Hi!
How about adding an ODbL licensed service? Would it be possible? I am
thinking about SPOI
<http://sdi4apps.eu/spoi/> and their SPARQL endpoint
<http://data.plan4all.eu/sparql>..
ODBL seems to be in the same vein as CC-BY-SA, so if CC-BY is ok, that
should be OK too. Please add the descriptions to
https://www.wikidata.org/wiki/Wikidata:SPARQL_federation_input
Great new feature you have here! I would only add endpoints that use free
licenses
that are compatible with our terms of use (
https://wikimediafoundation.org/wiki/Terms_of_Use#7._Licensing_of_Content
). See
http://freedomdefined.org/Definition for a more general
explanation. This would include ODbL (
https://opendatacommons.org/li
censes/odbl/summary/ ), but would exclude any ND (NoDerivatives) and any
NC (NonCommercial) licenses.
Maarten
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