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Using a personal digital assistant to retrieve an item from a remote source

  • US 10,783,327 B2
  • Filed: 12/30/2016
  • Issued: 09/22/2020
  • Est. Priority Date: 12/30/2016
  • Status: Active Grant
First Claim
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1. One or more computing devices for implementing personal digital assistant (PDA) functionality, comprising:

  • a dialog system configured to interact with a user via a conversational user interface, the dialog system being configured to;

    receive at least one input message from the user, in which the user expresses an intent to obtain a desired content item; and

    interpret said at least one input message using a language understanding component, to provide an interpreted request;

    a location determination component configured to identify one or more source components, each of which provides a copy of the desired content item,the location determination component including escalation logic for identifying said one or more source components by exploring a ranked set of respective retrieval options implemented by plural respective decision blocks,wherein the location determination component is configured to;

    identify an access point in the ranked set of retrieval options based on an assessed level of generality of the interpreted request, the access point being a highest-ranked retrieval option in the set of retrieval options for a first case in which the interpreted request does not specify a particular retrieval option, the access point being the particular retrieval option for a second case in which the interpreted request specifies the particular retrieval option; and

    commence a search for said one or more source components starting at the access point; and

    an item retrieval component configured to, in response to the search, retrieve the desired content item from at least one identified source component and to send the desired content item to a target component.

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