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→Why?
Why do we need an ingredients ontology? The ontology describes how ingredients are derived from each other and how ingredients can be combined into new ingredients. An ontology might be useful to:
Why do we need an ingredients ontology? The ontology describes how ingredients are derived from each other and how ingredients can be combined into new ingredients. An ontology might be useful to:
* '''Normalise ingredients''' - Producers take a lot of freedom in describing the ingredients they use. An ontology helps to standardise the ingredients.
* '''Normalise ingredients''' - Producers take a lot of freedom in describing the ingredients they use. An ontology helps to standardise the ingredients.
* Search - the taxonomy can be used to support the directe search by url, i.e. use [https://world.openfoodfacts.org/ingredient/strawberry/ strawberry] to find all products that contain strawberry. Or [https://world.openfoodfacts.org/ingredient/strawberry/language/finnish strawberry] to find all products that have an ingredient list in finnish with strawberry (puutarhamansikka).
* '''Hidden ingredients''' - an ingredient might contain hidden ingredients, the ontology might reveal these. For example [https://world.openfoodfacts.org/ingredient/butter butter] contains [https://world.openfoodfacts.org/ingredient/butterfat butterfat].
* '''Hidden ingredients''' - an ingredient might contain hidden ingredients, the ontology might reveal these. For example [https://world.openfoodfacts.org/ingredient/butter butter] contains [https://world.openfoodfacts.org/ingredient/butterfat butterfat].
* '''Combined ingredients''' - an ingredient might appear as a single ingredient. In reality however
* '''Combined ingredients''' - an ingredient might appear as a single ingredient. In reality however
* '''Processed ingredients''' - often an ingredient is derived from an other ingredient through some process. We can make explicit what these processes are. Example [https://world.openfoodfacts.org/ingredient/clarified-butter clarified butter] is created from [https://world.openfoodfacts.org/ingredient/butter butter] by separating the [https://world.openfoodfacts.org/ingredient/milk-solids milk solids] and [https://world.openfoodfacts.org/ingredient/water water] from the [https://world.openfoodfacts.org/ingredient/butterfat butterfat].
* '''Processed ingredients''' - often an ingredient is derived from an other ingredient through some process. We can make explicit what these processes are. Example [https://world.openfoodfacts.org/ingredient/clarified-butter clarified butter] is created from [https://world.openfoodfacts.org/ingredient/butter butter] by separating the [https://world.openfoodfacts.org/ingredient/milk-solids milk solids] and [https://world.openfoodfacts.org/ingredient/water water] from the [https://world.openfoodfacts.org/ingredient/butterfat butterfat].
* '''Ingredient incompleteness''' - often an ingredient is incomplete defined in an ingredient list. For instance if an ingredient-list specifies [https://world.openfoodfacts.org/ingredient/milk milk], it should be defined from which mammal the milk comes from, for instance [https://world.openfoodfacts.org/ingredient/cow-s-milk cow's milk].
* '''Ingredient incompleteness''' - often an ingredient is incomplete defined in an ingredient list. For instance if an ingredient-list specifies [https://world.openfoodfacts.org/ingredient/milk milk], it should be defined from which mammal the milk comes from, for instance [https://world.openfoodfacts.org/ingredient/cow-s-milk cow's milk].
== Ingredients Thesaurus ==
== Ingredients Thesaurus ==