Ontology: Licenses in oeo

[MGlauer]

We need to represent licenses in our ontology. I just found this ontology at creativecommons.org that might be interesting.

[Ludee]

Is there a process to include existing RDF files in the OEO?
It seems to be licensed under CC-BY-4.0 and thus doesn't fit to our CC0.

[Ludee]

Just came across this Repo:
https://github.com/spdx/license-list-data

It's worth having a look at.

Various data formats for the SPDX License List including RDFa, HTML, Text, and JSON

[stap-m]

What's the state of this issue? We should really include license for the factsheets.
@MGlauer @Ludee @christian-rli

[akleinau]

Both proposed links can't be directly imported so including all those licenses takes more time than we have. @stap-m what exactly do we need? Is a general license class enough?

[christian-rli]

I don't think we need a list of licenses, just having a class would be a good first step. Additionally we should have the option to specify a license via its spdx identifier, i.e. make it possible to reference it that way, but don't require it, since not all licenses have such an identifier.

[christian-rli]

Categorizations of licenses (open vs not open and the potential requirements attribution, share-alike) could be nice, but I think a reference to the original license should suffice. If it's really necessary, we can implement it later.

[MGlauer]

There seems to be an actual SPDX ontology:
https://spdx.org/rdf/terms/spdx-ontology.owl.xml

[l-emele]

Wikipedia's definition of license as a start:

A license (American English) or licence (British English) is an official permission or permit to do, use, or own something (as well as the document of that permission or permit).

[l-emele]

There seems to be an actual SPDX ontology:
https://spdx.org/rdf/terms/spdx-ontology.owl.xml

Does it include a definition of license itself? At least I cannot find one.

[MGlauer]

There seems to be an actual SPDX ontology:
https://spdx.org/rdf/terms/spdx-ontology.owl.xml

Does it include a definition of license itself? At least I cannot find one.

Yes, but it seems bad:
https://spdx.org/rdf/ontology/spdx-2-0-rev-8/classes/License___-8978898.html

EDIT: As it turns out it just has a comment - not a definition.

[l-emele]

A License represents a copyright license.

Okay, that is definitely not useful.

[stap-m]

What about:
_A licence is an information content entity that contains an official permission or permit to do, use, or own something._
synonym: license

[stap-m]

Ok, then I'll implement it in oeo-model.

[MGlauer]

Is a contract a license? A contract may contain a permission to own something (e.g. a purchase contract).

[stap-m]

Is a contract a license? A contract may contain a permission to own something (e.g. a purchase contract).

Or use or do something... In my understanding, a licence _is a kind of_ contract. On the German wikipedia page, they refer to "Lizenzverträge" and on the English page on "licence agreements".