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What kind of algorithm or code allows AI like Cortana, Google Now, and Siri to respond to human questions?

Posted on 2015/09/082016/09/06 by mendicott

What kind of algorithm or code allows AI like Cortana, Google Now, and Siri to respond to human questions?

How will a capable AI be likely to analyse and understand a human verbal expression?

Today, there are a number of different ways to accomplish this….

  1. Chatbots typically use “pattern matching”.
  2. Statistical (probabilistic) NLP (natural language processing) is something like a more sophisticated version of pattern matching in that it leverages N-grams, such as Bi-grams and Tri-grams, and/or Skip-grams (which are N-grams with spaces).
  3. In the field of Machine Translation, there is something called an Interlingua, where concepts are encoded in non-verbal representations, making the transition from one to another, or many, languages easier, especially since the wording does not have to be verbatim.

See also my Quora answers to:

  • What conversational technology powers today’s AI assistants, such as Siri and Cortana?
  • What is the process to develop an intelligent personal assistant like Siri?

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