Changes between Version 1 and Version 2 of ISO15926HowTo_Principles_EandA

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Timestamp:
12/06/09 23:06:41 (10 years ago)
Author:
gordonrachar (IP: 198.53.220.181)
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  • ISO15926HowTo_Principles_EandA

    v1 v2  
    1717---- 
    1818 
    19 == Reference Data   
     19== Reference Data == 
    2020 
    2121It appropriate at this point to bring in another idea, Reference Data.  When you have to relate abstractions between two representations, you really need a third.  (You can say that one of the representations is the abstract one, but usually leads to compromises you shouldn’t make.)  You need a third that truly abstracts the two representations.  If you increase the number of representations, it forces you to generalize that abstraction to cover all possible representations. 
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