DIALOG MANAGEMENT SYSTEM AND METHOD FOR PROCESSING INFORMATION-SEEKING DIALOGUE
First Claim
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1. A dialog system, comprising:
- a speech recognition unit configured to recognize a sound signal from a user as text;
a spoken language understanding unit configured to identify a user intention based on the recognized text;
a dialog management unit configured to;
prompt the user for a task-oriented intention in association with a hierarchical topic plan in which pieces of information related to each topic corresponding to a service are organized in a hierarchy, in response to the identified user intention being an information-seeking intention; and
select a service that satisfies the user intention; and
a response management unit configured to generate a response corresponding to the selected service and provide the generated response to the user.
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Abstract
A dialog management apparatus and method for processing an information-seeking dialogue with a user and providing a service to the user by prompting the user for a task-oriented dialogue may be provided. A hierarchical topic plan in which pieces of information are organized in a hierarchy according to topics corresponding to services may be used to prompt the user to change an information-seeking dialogue to a task-oriented dialogue, and the user may be provided with a service.
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17 Claims
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1. A dialog system, comprising:
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a speech recognition unit configured to recognize a sound signal from a user as text; a spoken language understanding unit configured to identify a user intention based on the recognized text; a dialog management unit configured to; prompt the user for a task-oriented intention in association with a hierarchical topic plan in which pieces of information related to each topic corresponding to a service are organized in a hierarchy, in response to the identified user intention being an information-seeking intention; and select a service that satisfies the user intention; and a response management unit configured to generate a response corresponding to the selected service and provide the generated response to the user. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A dialog management method using hierarchical topic plan for processing an information-seeking intention of a user in which the hierarchical topic plan is configured to have pieces of information organized in a hierarchy according to topics corresponding to services, the dialog management method comprising:
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in response to a user intention corresponding to a topic node located at a highest level or a lower level in the hierarchical topic plane, and in response to a current status of a user according to the user intention satisfying a precondition of the corresponding topic node, providing topic nodes subordinate to the corresponding topic node; and allowing the user to select a topic node corresponding to the user intention from the provided subordinate topic nodes, wherein the providing of the topic nodes and the allowing of selecting the topic node are repeatedly performed. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17)
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Specification