WardCunningham has come up with a scheme for wiki sites to cross reference each other. He calls this scheme '''Sister Sites'''. You can read his advice on this topic [[here][http://c2.com/doc/TipsForSisterSites/sisters.pdf]]. There are two parts to setting up a sister site. 1 [[Being a Sister][BeingAsister]]. How one site requests references from another. 2 [[Having a Sister][HavingAsister]]. How one site displays references to another.
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