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Using Jamroom
antibody (users) / antigen (profile) : so an antibody can have multiple antigens and and antigen can have multiple antibodies. One antibody could have 10 or more different antigen (if allowed by the admin user). Or a single antigen could have 10 different antibodies.
The properties of an antigen are defined by Quotas. There will be exactly as many different types of antigen as there are quotas defined. (it is possible to have 2 quotas EXACTLY the same, but whats the point.). Each antigen can only be defined by a single quota. It cant be two different types of antigen at the same time.
Glad we got that sorted in a language thats familiar to you.

--edit--
AI is exciting, good article on it here:
http://waitbutwhy.com/2015/01/artificial-intelligence-revolution-1.html
updated by @michael: 10/14/16 11:51:20PM