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Generation system and method for Chinese similar problem

A technology for generating systems and questions, applied in the field of Chinese similar question generation systems, can solve problems such as low query structure and inability to realize accurate and efficient query of knowledge base data

Active Publication Date: 2018-07-17
BEIJING RONGLIAN YITONG INFORMATION TECH CO LTD
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AI Technical Summary

Problems solved by technology

In the process of automatic question answering based on the knowledge base, after the user inputs a Chinese natural language question sentence, the traditional method only adopts simple processing to obtain the keywords for the question sentence. Inquire

Method used

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  • Generation system and method for Chinese similar problem
  • Generation system and method for Chinese similar problem

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Embodiment Construction

[0071] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0072] Such as figure 1 and figure 2 As shown, a Chinese similar question generation system includes:

[0073] A preprocessing module is used to receive a given question and perform preprocessing. The preprocessing includes: word segmentation, stop words removal, part-of-speech tagging of the obtained word segmentation, and syntactic dependency analysis for a given question sentence; (wherein , the syntactic dependency analysis of a given question is used to analyze the sentence structure (subject-predicate-object, etc.), so as to judge whether the current word can be replaced by synonyms in the template generation, so t...

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Abstract

The invention discloses a generation system and method for a Chinese similar problem. The system comprises a preprocessing module, a naming entity identification module, a problem classification module and a similar semantic problem generation module, wherein the preprocessing module is used for receiving a given problem and carrying out preprocessing, wherein the preprocessing comprises word segmentation, stop word removal, part-of-speech tagging for obtained segmented words; the naming entity identification module is used for identifying the given problem to obtain a naming entity to be identified; the problem classification module is used for classifying given problems according to semantics; the similar semantic problem generation module is used for generating a semantic similar problems by aiming at the given problems; and the similar semantic problem generation module comprises a similar semantic problem generation submodule based on a rule and a similar semantic problem generation submodule based on machine learning. By use of the system, the matching degree and the rationality of the generated problem question and an original problem can be effectively improved.

Description

technical field [0001] The invention relates to natural language processing technology, in particular to a system and method for generating Chinese similar questions. Background technique [0002] Natural language processing is a discipline that studies the language problems of human-computer interaction. The key to processing natural language is to allow computers to "understand" natural language. The key technologies of natural language processing include word segmentation of natural sentences, part-of-speech tagging, named entity recognition, anaphora resolution, and syntactic dependency analysis. [0003] Question answering technology is an advanced form of information retrieval technology, which can answer users' natural language questions in accurate and concise natural language. The automatic question answering system can automatically analyze questions and give corresponding candidate answers. The traditional automatic question answering system is mainly composed of...

Claims

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Application Information

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IPC IPC(8): G06F17/27G06F17/28G06F17/30G06N99/00G06N3/04
CPCG06F16/3329G06N20/00G06F40/295G06F40/30G06F40/58G06N3/045
Inventor 孙昌勋许志强王凯曾国卿
Owner BEIJING RONGLIAN YITONG INFORMATION TECH CO LTD
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