"Freely accessible but copyrighted" and "Anchoring to preceding open knowedge" : please refer to a post (in French) : Libre accès veut-il dire libre de droits ?
A possible usage of Responsive by design Open knowledge : following the emergence of Agile games.
If you plan to implement a Responsive by Design Enterprise Knowledge Base, Tru Do-Khac, digital innovation consultant, would be pleased to discuss and help [1a].
[1a] Responsive by design Open knowledge : genesis