51a252f8_abulary___ODRL_Community_Group_tity_Type_of_the_Policy_Entity_Semantics
[Identifier] Request [Comment] Must contain a Party entity with Assignee role. The Request may also contain the Party entity with Assigner role if this is known. No privileges are granted to any Party. [Semantics] 
Policy expressions that propose terms of usage to an Asset owner
ODRL Version 2.1 Common Vocabulary | ODRL Community Group