JSON (JavaScript Object Notation) is a lightweight data-interchange format. The Stackexchange API delivers its data using this format. The tags is meant for questions about reading and interpreting JSON.

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21
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Extracting values from nested rules in JSON data

I have been using Mathematica to analyse some data from the StackExchange API. It is conveniently available in JSON form, which Mathematica interprets as replacement rules. However, some of the rules ...
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1answer
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How to request financial data from Yahoo's YQL and Quandl?

How can I download historical data from Yahoo ? Although Mathematica's FinancialData function uses Yahoo it could be useful to have more control on how to retrieve data from Yahoo's YQL. Edit ...