Hello Guillem,

You are probably looking for something like https://www.wikidata.org that is a Wikipedia sister project.
It provides nice APIs for use cases like yours: https://www.wikidata.org/wiki/Wikidata:Data_access

See for example http://tinyurl.com/gswbvyo

Cheers,

Thomas

> Le 8 mars 2017 à 11:09, Guillem Barbosa <guillembarbosa@gmail.com> a écrit :
>
> Hello, my name is Guillem and I'm a student that I'm working in Liquid Galaxy project, and now I have some questions and doubts that I would like to resolve to continue with the project.
>
> I have been working with WIkimedia API, I found some information about it and I tried diferent actions to get responses and compare. For example, in my case I want to obtain the most populated cities in the world.
>
> First of all, my query will be:
> " https://en.wikipedia.org/w/api.php?action=query&format=xml&titles=List_of_cities_proper_by_population&prop=revisions&rvprop=content " (in this page there are a list of most populated cities in the world)
> The response is all the Wikipedia page, and the information text is inside <rev> tag. Then, my task is to parse the text response and obtain the cities name in the list. I would like to know if ther are some posibility to obtain only the cities list, and it will be more easy to get it.
>
> Once I have the names of the cities, the next step is to obtain the coordinates for each one. Here I have two possibilities: a new query with API (" https://en.wikipedia.org/w/api.php?action=query&format=xml&titles=Shanghai&prop=revisions&rvprop=content ") I put the city name in the parameter "title", and then the response is so extended, but I get only the Infobox part to obtein the mainly information about the city.
> And the second option is to use bdpedia, I find this option searching and it also can be a posibility, but my doubt is: when I search " dbpedia.org/data/Tokyo " the properties and values are the same in the wikimedia page for the city? I have discoverd that I can obtain the response in json or xml format.
> In this way, I could get some information about the city, and search for each tag or property that is well identified.
>
> I haven't found the way to obtain more detailed some information about in this case a city (I would like to have the mainly information organizated in tags and then it will be more easy to obtain the results). So, the other option is to do the proces that I have explained, this requires more work but also will be valid.
>
> Thanks for you time
>
> your sincerely,
>
> Guillem.

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