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882 bytes added ,  13:30, 27 March 2016
Generic formula added
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Some remarks:
 
Some remarks:
 
* product central - any quantity that is indicated is about the product and not the packaging;
 
* product central - any quantity that is indicated is about the product and not the packaging;
* equivalents - one or more equivalents might be available, i.e. in grams or liters, 24 cookies / 6 cookies in 4 packages;
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* equivalents - one or more equivalents might be available, i.e. in grams, oz or liters, 24 cookies / 6 cookies in 4 packages;
 
* containers - the generic toplevel package is a container;
 
* containers - the generic toplevel package is a container;
* subcontainers - a container might comprise multiple subcontainers (or even subsubcontainers) [hierarchy?]
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* subcontainers - a container might comprise multiple subcontainers (or even subsubcontainers) [hierarchy?/taxonomy?]
* (sub-)container synonyms - a user might container other words to describe a container, such as bottle, can, bag, etc.
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* (sub-)container synonyms - a user might container other words to describe a container, such as bottle, can, bag, etc. [hierarchy?/taxonomy?]
 
* defaults - in indicating the quantity some parts are assumed to be understood. If it states 33cl it is assumed to be about the container (the bottle) and the product (beer);
 
* defaults - in indicating the quantity some parts are assumed to be understood. If it states 33cl it is assumed to be about the container (the bottle) and the product (beer);
*
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* components - a product might consist of multiple components, which must be combined to get the product. Cf Creme brulee = vanilla cream + caramel flakes (to be heated).
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* subproduct - sometimes a subproduct quantity is indicated (net/brut, egoutté/drained);
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* verbosity - the language used in specifying quantity must be translated to a parsable format;
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=== Generic formula ===
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Any generic quantity formula should reference the product(-name), the container and a volume or weight measure. The productname and container should (?) reference the corresponding fields.
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The top level quantity formula, i.e. the package a customer buys is:
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<big>container_unit x package_name x product_name x quantity_value x quantity_unit</big>
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For example:
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* 1 bottle of red wine comprising 70 cl (on the bottle indicated as "70 cl")
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=== Practical usage ===
    
* to indicate times, either a "*" or a "x" can be used;
 
* to indicate times, either a "*" or a "x" can be used;
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