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Some collected questions and answers by Stephen Wolfram
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August 31, 2009
From: Interview by Kaustubh Katdare, CrazyEngineers
Could you give a brief overview of the algorithms that make Wolfram|Alpha work and produce great results?
It’s a big system! These days about 6 million lines of Mathematica code. It relies on a very large number of different algorithms and methods, a large fraction of which we’ve had to invent. In a sense it’s NKS that makes it possible: the paradigmatic idea that there can be fairly simple underlying programs that produce the rich and complex behavior we need. And actually, we use NKS methods quite a lot to find actual algorithms to use in Wolfram|Alpha.