The core classes are:
Parties - actors or agents who exercise:
Rules - ODRL Permissions (can do), ODRL Duties (must do), ODRL Prohibitions (must not do) encompassing:
Actions - operations performed on:
Assets - digital objects in a CDIF context.
Policies - are structured artefacts that document the above information.

Figure. Simplified schematic of main ODRL Classes.
ODRL Resources¶
ODRL Information Model: https://
ODRL Core Vocabulary: https://
Example ODRL access policies:
https://
Arxiv preprint on applying ODRL in Transport Mobility Data Space: https://
ODRL Policy validator: https://