On 6/24/03 3:58 AM, "Dr. Hong Zhu" indited: > Yes, I agree with you. I would add a 'congregation' part-whole relation as > another condition for agent-based role modelling. Am I right? and What else > would you add into the list? As I mentioned in an earlier email, much research has been done on "groups" -- which is also referred to as "organization." This is -- IMO -- a vital notion for agent-based systems. -Jim