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391 bytes added ,  14:46, 11 August 2018
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== Categories Taxonomy==
 
== Categories Taxonomy==
 
OFF maintains a categories taxonomy to categorise products. This categories taxonomy is related to the ingredient ontology, but subtly different.
 
OFF maintains a categories taxonomy to categorise products. This categories taxonomy is related to the ingredient ontology, but subtly different.
First a product is something that is on sale and has an identifier (barcode).  
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First a product is something that is on sale and has an identifier (barcode). A product will never be part of an ingredients list. You will never see a barcode in the ingredients.
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For example the product [https://world.openfoodfacts.org/product/20139315/beurre-gastronomique-doux-milbona Beurre Gastronomique Doux] of the brand ''Milbona'' with barcode ''20139315'' has one ingredient: [https://world.openfoodfacts.org/ingredient/pasteurized-butter Beurre pasteurisé]
    
[[Category:Ingredients]]
 
[[Category:Ingredients]]
 
[[Category:Products]]
 
[[Category:Products]]
 
[[Category:Ontology]]
 
[[Category:Ontology]]
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