Re: Unit of count (revisited)

> On 31 Jan 2017, at 00:10, Víctor Rodríguez Doncel <vrodriguez@fi.upm.es> wrote:
> 
> One may understand that there are 12 licit plays of the item (5 free and 7 paying). Then... How to express that a certain play should be discounted from the "free" permission?
> Someone else may understand that there are 7 licit plays (5 free, and 2 paying). 
> Which is the correct interpretation?


The Permissions are independent, so there is a maximum of 12 plays possible (assuming “lt” is “lteq” ;-)

Assuming this is an Agreement, and you have paid the $5, then in reality it does not matter which permission the play was used from - you get to play it up to 12 times - but you still need to decrement a counter some where...

If you have not paid, then the play would come from Perm1, so Constraint1 count is decremented.
If you have paid, then decrement Constraint2 first (then after play 7, start decrementing Constraint 1)

If you write an even better processor, you could see form the entire policy that you should set a counter to 12 and use that instead…(assuming you paid).



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