Hoi,
Semantics prove what? Your excercise with pizza has me wonder what you call
food. The definition of food as in the French Wikipedia is not an argument
for me. My understanding of French is not sufficient and, arguably any
language has its own approach.
Thanks,
GerardM
On 18 October 2015 at 19:34, Thomas Douillard <[email protected]>
wrote:
> Yes, in the pizza example Emw showed, the definition of "food" is
> important. If what I ate this morning is a food, then pizza is a subclass
> of food. This is consistent with the first sentence of
> https://fr.wikipedia.org/wiki/Nourriture of frwiki. And the fact that
> "pizza" is an instance of food is a mistake, unfortunately a pretty common
> one on Wikidata. We should write a query to find all such examples where an
> item is both an instance and a subclass of the same class.
>
> Now pizza is clearly a type of meal it could be relevant in a food
> classification and could be very well be an instance of it, as it's a
> preparation common people used to put whatever they can put on it,
> similarly to https://www.wikidata.org/wiki/Q12486
>
>
> 2015-10-18 18:31 GMT+02:00 Thad Guidry <[email protected]>:
>
>> The main problem is that Instance Of is not being used properly
>> sometimes. In general, wrong classifications across Wikidata lead to weird
>> assumptions.
>>
>> Better documentation, and even helper rules to help prevent wrong
>> classifications is what is needed and its forthcoming.
>>
>> Lydia has mentioned that these kinds of problems will eventually become
>> less and less as the Roadmap features eventually land into production.
>>
>> I am looking forward to next year, and the year after, to see the quality
>> improve.
>>
>> Thad
>> +ThadGuidry <https://www.google.com/+ThadGuidry>
>>
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>>
>
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