Part 3 of :
Nomenclature vs. Classification
Previously on Imelda’s World: You invented SNOFOO to standardize the nomenclature of footwear, so your servants can talk about your (by now 15,000) pairs of shoes unambiguously via their EFRs. You invented the ICF-9 classification to assign each pair to one of 256 mutually exclusive and exhaustive cubbyholes. When that became too restrictive for your growing collection, you got 2048 new cubbyholes and invented a new and better classification, ICF-10. Because people were using the cubbyhole number as a shorthand for a partial description of the types of shoes found in a cubbyhole, you invented the CHEMs to help them go back and forth between the two classifications.
Now you are wondering whether the CHEMs were such a good idea. People (other than cubbyholers) seem to think that ICF-10 is just a simple expansion of ICF-9. Now that you have eight times as many cubbyholes, they think you just…
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