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534 bytes added ,  11:07, 1 September 2021
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'''Open Food Facts''' uses '''global taxonomies''' for fields such as '''categories''', '''brands''', '''labels''' and '''countries'''. This page explains how taxonomies work in Open Food Facts and how they can be updated and enhanced.
 
'''Open Food Facts''' uses '''global taxonomies''' for fields such as '''categories''', '''brands''', '''labels''' and '''countries'''. This page explains how taxonomies work in Open Food Facts and how they can be updated and enhanced.
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== Quick presentation ==
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[https://docs.google.com/presentation/d/1zL2fA3d_fuPvKKKmCGJ5aV_Ug-R-gXQbwSCcxf3dbo4/edit?usp=sharing Quick presentation of the taxonomies]
    
== Features ==
 
== Features ==
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=== Taxonomy architecture ===
 
=== Taxonomy architecture ===
 
The taxonomy is not a strict hierarchy: values can have multiple parents. But cycles are not allowed.
 
The taxonomy is not a strict hierarchy: values can have multiple parents. But cycles are not allowed.
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=== Finding new opportunities for taxonomization ===
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* A good trick to find candidates for taxonomization is
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  * https://world.openfoodfacts.org/categories?filter=-
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  * https://world.openfoodfacts.org/labels?filter=-
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  * https://world.openfoodfacts.org/origins?filter=-
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  * https://world.openfoodfacts.org/ingredients?filter=-
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* Everything in italics is up for grabs
    
== Format ==
 
== Format ==

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