What we know about conflict of interest of data:
Governments collecting, storing, analyzing and using those data without consent of the subjects.
In access control there is a notion of conflict of interest in roles and permissions where two roles cannot be given to a user in some cases (e.g. Accounting and Purchase). In usage control, there can be situation where two person cannot use the same object or an object cannot be accessed in certain situation.
I am certain to some degree that data based on data itself or the source of the data, there can be conflicting data in usage or storage. I am trying to find use cases and scenarios where data can be conflicting. Can you please help me with your wisdom to develop some ideas towards this idea?