Re: Licences in ODRL

> On 27 Jan 2017, at 22:54, Oleksandra Panasiuk <oleksandra.panasiuk@sti2.at> wrote:
> 1. Term "leftOperand" defines in  https://w3c.github.io/poe/vocab/#term-leftOperand <https://w3c.github.io/poe/vocab/#term-leftOperand>, but it doesn't exist in http://www.w3.org/ns/odrl/2/ <http://www.w3.org/ns/odrl/2/>. Is it ok to use it for odrl and rdf models?
> 

Yes, you can use leftOperand - this is defined in the “editors draft" ODRL OWL Ontology:  http://w3c.github.io/poe/vocab/ODRL22.ttl

> 2. How better to describe grant of Patent License as a part of License? If  create a create new "odrl:action  dalicc: patentFree", which grant you rights described in terms and conditions for it or better to create a subclass of License, where will all permissions? (p.3 Grant of Patent Licence, Apache 2.0)
> 
I am not a lawyer, but my reading of this: http://www.apache.org/licenses/LICENSE-2.0#patent <http://www.apache.org/licenses/LICENSE-2.0#patent>
is that if any of the Contributors have contributed their patented material, they are giving you a license to use the patented material, up until someone files a patent infringement, then the license to use the patented material is withdrawn.

This is best represented as a Duty on the Contributors, with a constraint, such as:
      ...
      odrl:duty [
                a odrl:Duty;
                odrl:assignee dalicc:contributors;
                odrl:action dalicc:grantPatentLicense;
                odrl:constraint [
                        a odrl:Constraint;
                        odrl:leftOperand: dalicc:patentLitigation;
                        odrl:operator odrl:eq;
                        odrl:rightOperand: false
                    ]
   

Renato Iannella, Monegraph
Co-Chair, W3C Permissions & Obligations Expression (POE) Working Group