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Digital assistant and associated methods for a transportation vehicle

  • US 10,573,299 B2
  • Filed: 04/16/2018
  • Issued: 02/25/2020
  • Est. Priority Date: 08/19/2016
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving a user input for a valid communication session by a processor executable, digital assistant on a device at a transportation vehicle;

    tagging by the digital assistant, the user input words with a grammatical connotation;

    generating an action context that maps to an action application programming interface (API), a filter context and a response context by a neural network, based on the tagged user input, the neural network trained in a plurality of categories including an entertainment data category for entertainment related actions on the transportation vehicle, a shopping category for shopping related actions on the transportation vehicle, a crew instructions category, and a security category associated with transportation vehicle security;

    wherein the action context identifies a type of action associated with one of the plurality of categories;

    wherein the filter context defines one or more filter parameters that define a query parameter for the action API;

    wherein the response context provides information to extract from the action context to execute an action;

    determining by the digital assistant that the action context is a most current action context based on a user session;

    retrieving by the digital assistant a missing parameter for the action API;

    storing by the digital assistant, a key-value pair for a parameter of the filter context at a short term memory, based on an output from the neural network and the retrieved missing parameter;

    wherein the short term memory stores key-value pairs for each user session with the digital assistant;

    updating by the digital assistant, the key-value pair at the short term memory after receiving a reply to a follow-up request from the digital assistant and another output from the neural network; and

    providing a response to the reply by the digital assistant.

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