NLP behind Google Assistant, Amazon Echo and Apple Siri

How do these assisant based models analyse text and convert them to commands, I mean how do they understand the intent, property and value. I just want to know what are the models used and also I am trying to make a assistant bot, does anyone know a better model that can identify the command from the text given?

Topic chatbot nlp python

Category Data Science

1
answered at

You can use Transformer models such as Bert, Distilbert to build your own NLP engine.

To understand how to integrate these models to interpret the input query check this article:
https://ai-brewery.medium.com/simple-chatbot-using-bert-and-pytorch-part-1-2735643e0baa

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