Thursday 27 September 2012

Machine Intelligence: The Turing Test


When humanity was faced with how it would check or test the intelligence of the machines it created, it developed a way of achieving that by inspiring a certain person known as Alan Turing with a method which became generally accepted and criticized. This test was tagged the Turing test. It is a test of a machine's ability to exhibit intelligent behaviour.
Turing suggested that a human judge should engage in a natural language conversation with a machine and a human. The machine being able to perform such that it would not be distinguished from the human. The three participants are to be separated from one another. The machine fails the test if the judge distinguishes it from the human due to the answers it gives and it passes the test if the judge cannot reliably tell the machine from the human.

In executing the test, it should be noted that the test does not check the ability to give correct answers, but it checks how closely the answer to each question resembles a typical human answer. Also, if the conversation were to be a vocal one, the result would be failure for the machine. Therefore, the conversation is limited to a text only channel such as a computer keyboard and screen so that the result obtained would not be dependent on the ability of the machine to render words in audio and also the quality of the sound produced.

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