Interactive voice response system
First Claim
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1. An interactive audio response system that permits users to access information that is not originally formatted for voice interfacing to an information exchange network, comprising:
- a voice interface for user to input request for information;
a speech recognition engine that converts user'"'"'s spoken utterance from the voice interface into text;
a natural language engine that interprets the meaning and context embodied in the converted text and output structured commands;
a query engine that, in response to the structured commands, determines an end destination node for the user'"'"'s request and generates corresponding web queries;
a web parser that, in response to the web queries, browses the web to retrieve information requested by user, and parses each received page from the web to convert unstructured text into structured datasets; and
a prompt generator that generates context-sensitive voice prompts to the voice interface in the event that an end destination node cannot be determined by the query engine.
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Abstract
A voice response system and method for navigating any network and using facilities and applications provided by various destination nodes within the network. No change is required in the applications provided by the destination nodes. A user can control and navigate the system with no prior knowledge of the system via self-discovery facilities provided as part of a learning system that adapts itself to the user.
130 Citations
7 Claims
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1. An interactive audio response system that permits users to access information that is not originally formatted for voice interfacing to an information exchange network, comprising:
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a voice interface for user to input request for information;
a speech recognition engine that converts user'"'"'s spoken utterance from the voice interface into text;
a natural language engine that interprets the meaning and context embodied in the converted text and output structured commands;
a query engine that, in response to the structured commands, determines an end destination node for the user'"'"'s request and generates corresponding web queries;
a web parser that, in response to the web queries, browses the web to retrieve information requested by user, and parses each received page from the web to convert unstructured text into structured datasets; and
a prompt generator that generates context-sensitive voice prompts to the voice interface in the event that an end destination node cannot be determined by the query engine. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification