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Algorithm - Wikipedia

listen)) is a finite sequence of well-defined, computer-implementable instructions, typically to solve a class of specific problems ...

For more information, see Algorithm - Wikipedia

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What is algorithm behind the recommendation sites like last.fm ...

Jan 17, 2011 ... Have a look at Collaborative filtering or Recommender systems. One simple algorithm is Slope One.

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I found an answer from en.wikipedia.org

Algorithm - Wikipedia

In computer systems, an algorithm is basically an instance of logic written in software by software developers, to be effective for the intended "target" computer (s) to ...

For more information, see Algorithm - Wikipedia