This all seems rigorous enough, and you can certainly understand the need to be careful. And after that it's verified by real-life experts (some on the Wolfram Alpha staff, some outside) to confirm that it all seems reliable. The data then goes through an automated procedure to clean and check it. This has produced some impressive results, the company doing special deals with the owners of proprietary databases that they believe are important, delivering access to information that wasn't previously available online. There's no general automatic input from the web here: instead Wolfram Alpha staff work with experts in different domains to decide which sources are the best.
The first step comes in choosing sources. STOCK INFO: Wolfram Alpha has extensive data on stocks and shares going back many yearsīut most data is input through a more complex, part automated, part manual system.
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