System and method of spoken language understanding in human computer dialogs
First Claim
1. A method comprising:
- partitioning, via a processor, a speech recognizer output into independent clauses;
identifying, independent of domain, a dialog act for each of the independent clauses;
identifying, dependent on domain, an object within each of the independent clauses; and
recursively generating, for each independent clause in the independent clauses, a semantic representation using the dialog act and the object of each independent clause.
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Abstract
A system and method are disclosed that improve automatic speech recognition in a spoken dialog system. The method comprises partitioning speech recognizer output into self-contained clauses, identifying a dialog act in each of the self-contained clauses, qualifying dialog acts by identifying a current domain object and/or a current domain action, and determining whether further qualification is possible for the current domain object and/or current domain action. If further qualification is possible, then the method comprises identifying another domain action and/or another domain object associated with the current domain object and/or current domain action, reassigning the another domain action and/or another domain object as the current domain action and/or current domain object and then recursively qualifying the new current domain action and/or current object. This process continues until nothing is left to qualify.
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Citations
20 Claims
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1. A method comprising:
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partitioning, via a processor, a speech recognizer output into independent clauses; identifying, independent of domain, a dialog act for each of the independent clauses; identifying, dependent on domain, an object within each of the independent clauses; and recursively generating, for each independent clause in the independent clauses, a semantic representation using the dialog act and the object of each independent clause. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A system comprising:
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a processor; and a computer-readable storage medium having instructions stored which, when executed by the processor, result in the processor performing operations comprising; partitioning, via a processor, a speech recognizer output into independent clauses; identifying, independent of domain, a dialog act for each of the independent clauses; identifying, dependent on domain, an object within each of the independent clauses; and recursively generating, for each independent clause in the independent clauses, a semantic representation using the dialog act and the object of each independent clause. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A computer-readable storage medium having instructions stored which, when executed by a computing device, result in the computing device performing operations comprising:
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partitioning, via a processor, a speech recognizer output into independent clauses; identifying, independent of domain, a dialog act for each of the independent clauses; identifying, dependent on domain, an object within each of the independent clauses; and recursively generating, for each independent clause in the independent clauses, a semantic representation using the dialog act and the object of each independent clause. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification