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Establishing a logical connection between an indirect utterance and a transaction

A discursive, indirect technique used in instrumentation, computing, electrical and digital data processing, etc., to solve problems such as establishment

Pending Publication Date: 2019-08-09
IBM CORP
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  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

Also, the target may not have been previously established in the session

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  • Establishing a logical connection between an indirect utterance and a transaction
  • Establishing a logical connection between an indirect utterance and a transaction
  • Establishing a logical connection between an indirect utterance and a transaction

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Embodiment Construction

[0017] At a high level, preferred embodiments of the present invention provide systems, methods and computer program products for handling conversational systems or indirect utterances in dialog systems. Indirect utterances are statements that really mean requests, however, they are statements. These statements do not match the logical form of the request processed by the system. Therefore, dialog systems or conversational systems cannot directly generate responses based on utterances. In an embodiment of the invention, an utterance is parsed by a semantic parser, which produces a logical form of the request. The utterances that lead to semantic parsing failures are then processed as implicit utterances, and the system tries to find a logical connection to the target of the dialogue, that is, the target that made the request. Connections are performed through knowledge graphs generated from documents. The utterances that cause the semantic parser to fail are passed to the s...

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Abstract

A method, apparatus and computer program product for establishing a logical connection between an indirect utterance and a transaction are described. Indirect utterance is received from a user as input to a session system. The indirect utterance is parsed into a first logical form. A first set of predicates and terms are mapped from the first logical form to a first sub-graph in a knowledge graph.A second set of predicates and terms are mapped from a second logical form belonging to a transaction to a second subgraph of the knowledge graph. An optimal path between the first sub-graph and thesecond sub-graph is searched for in the knowledge graph, and simultaneously the first logical form is transformed by using nodes and edge labels along the optimal path to generate an intermediate logical form. If the graph structure of the intermediate logical form matches the graph structure of the logical form of the transaction above the threshold, a system action is performed on the transaction.

Description

technical field [0001] The present disclosure generally relates to natural language processing. More specifically, it relates to providing users with a natural language interface to content managed by data processing systems. Background technique [0002] Applications such as virtual agents and "chatbots" have been developed to provide natural language interfaces to web content, applications and channels in retail, automotive, healthcare and other industries. These applications collect information through written or oral conversations with users and help users complete common tasks (such as providing answers to frequently asked questions and helping users complete online transactions). Such conversational systems increase the accessibility of web content and other documents as they interact with end users in natural language. These types of chatbot applications provide enormous utility value to organizations hosting web content or other documents, reducing the number of hu...

Claims

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Application Information

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IPC IPC(8): G06F16/332G06F17/27
CPCG06F16/3329G06F40/295G06F40/30
Inventor M.卡尼姆R.G.法雷尔A.B.福库-恩库切J.A.冈内尔斯R.A.穆萨V.A.萨拉斯瓦特
Owner IBM CORP
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