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[[Category:Ingredients]]
 
[[Category:Ingredients]]
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== Key dates and numbers ==
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== Why it matters ==
 
Most ingredient lists are extracted from packaging images using [https://en.wikipedia.org/wiki/Optical_character_recognition Optical Character Recognition] (OCR) techniques. However, due to factors such as poor image quality, product curvature, or light reflections, the OCR process may incorrectly recognize text characters.
 
Most ingredient lists are extracted from packaging images using [https://en.wikipedia.org/wiki/Optical_character_recognition Optical Character Recognition] (OCR) techniques. However, due to factors such as poor image quality, product curvature, or light reflections, the OCR process may incorrectly recognize text characters.
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[[File:Ingredients picture.png|thumb|Picture of a product list of ingredients on its packaging.]]
 
[[File:Ingredients picture.png|thumb|Picture of a product list of ingredients on its packaging.]]
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== What we’ve done recently ==
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== What we are currently working on ==
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== What’s coming up next ==
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== How to get involved ==
 
== ⭐ Guidelines ==
 
== ⭐ Guidelines ==
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* A whitespace involving a percentage shouldn't be modified, except if the digit is stuck in the previous word.
 
* A whitespace involving a percentage shouldn't be modified, except if the digit is stuck in the previous word.
 
** Example: "''cheese1.9%''" → "''cheese 1.9%''"
 
** Example: "''cheese1.9%''" → "''cheese 1.9%''"
* Some ingredients are enclosed with `_`, such as `_milk_` or `_cacahuetes_`, to detect allergens. Should remain unchanged. However, in the case it is not an ingredient, such as `_Cacahuetes_ con cáscara tostado. _Trazas de frutos de cáscara_.`, it needs to be modified into `_Cacahuetes_ con cáscara tostado. Trazas de frutos de cáscara.`;
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* '_' shouldn't be removed from ingredients that are enclosed in '_' in order to specify allergens.
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** Example: "''_cacahuetes_''" → "''_cacahuetes_''"
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** Example: "''_Cacahuetes_ con cáscara tostado. _Trazas de frutos de cáscara_.''" → "''_Cacahuetes_ con cáscara tostado. Trazas de frutos de cáscara.''"
 
* Some percentages were badly parsed by the OCR. Since we cannot be sure about what is the right value, it is preferable to keep it as it is.
 
* Some percentages were badly parsed by the OCR. Since we cannot be sure about what is the right value, it is preferable to keep it as it is.
* Accents and other language specific punctuations:
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* In Romanian, the characters 'ş' (U+015F) and 'ţ' (U+0163) should be retrieved by the Spellcheck when necessary,
* In Romanian, the characters ["ş" (351), "ţ" (355)] (ASCII id) should be retrieved by the Spellcheck when necessary,
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* Uppercase letters shouldn't be modified in order to add/remove accents.
* Uppercase letters shouldn't be modified.
   
** Examples: "''ECOSSE''" ; "''ÉCOSSE''"
 
** Examples: "''ECOSSE''" ; "''ÉCOSSE''"
* If lowercase, accent should be added if missing.
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* Lowercase letters should be modified in order to add missing accents.
 
* '*' shouldn't be removed.
 
* '*' shouldn't be removed.
 
** Example: "''Schweinefleisch*''"
 
** Example: "''Schweinefleisch*''"
* Whitespaces shouldn't been modified, except in the following cases:
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* Whitespaces shouldn't been modified, except if two words are stuck to each other.
** when two words are stuck to each other.
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** Example: "''rizbrun''" → "''riz brun''"
*** Example: "''rizbrun''" → "''riz brun''"
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* Letters shouldn't be converted to uppercase/lowercase, except if a word is after a period or if a word is a proper noun.
* Regarding uppercases and lowercases, since the spellcheck should modify at least as possible lists of ingredient, we don't modify uppercases or lowercases except for the following reasons:
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** Example: "''[...] orange.trace de [...]''" → "''[...] orange. Trace de [...]''"
** after a period: "orange.trace de..." → "orange. Trace de..."
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** Example: "''france''" → "''France''"
** if it's a proper noun: "france" → "France"
   
* In French, the character "oe" or 'œ' should remain unchanged after correction. If it is missing, it should be replaced by default by 'œ'.
 
* In French, the character "oe" or 'œ' should remain unchanged after correction. If it is missing, it should be replaced by default by 'œ'.
 
** Examples: "''œuf''" ; "''bœuf''"
 
** Examples: "''œuf''" ; "''bœuf''"
 
* Commas and other word separators (, -, .) should be added to distinct ingredients.
 
* Commas and other word separators (, -, .) should be added to distinct ingredients.
 
** Example: "''citric acid electrolytes (salt, magnesium and calcium chlorides, mono-potassion phosphate)''" → "''citric acid, electrolytes (salt, magnesium and calcium chlorides, mono-potassion phosphate)''"
 
** Example: "''citric acid electrolytes (salt, magnesium and calcium chlorides, mono-potassion phosphate)''" → "''citric acid, electrolytes (salt, magnesium and calcium chlorides, mono-potassion phosphate)''"
* We don't add a period or modify the existing punctuation at the end of the list of ingredients.
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* The existing punctuation at the end of the list of ingredients shouldn't be modified. In particular, a period shouldn't be added at the end of the list of ingredients.
* A ':' should be added in the following cases:
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* A ':' should be added if it is missing between the category and name of an additive.
** it is missing between the additive category and the additive name
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** Example: "''conservateur nitrite de sodium''" → "''conservateur: nitrite de sodium''"
*** Example: "''conservateur nitrite de sodium''" → "''conservateur: nitrite de sodium''"
 

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