FAQ based Chinese natural language ask and answer method

A technology of natural language and question-and-answer database, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve problems such as unrealizable applications and limited types of questions, and achieve the effect of regular format and easy wide application

Inactive Publication Date: 2007-03-14
ZHEJIANG UNIV
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Problems solved by technology

However, there are shortcomings in this way of presenting results: although the user obtains the filtered results through the search tool, if the user wants to get the information they really need, they need to further manually click on the link and relocate
However, the current question-answering system still has solvability However, the current question-answering system still has shortcomings such as limited types of questions that can be solved, and cannot be applied in a general sense.

Method used

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  • FAQ based Chinese natural language ask and answer method
  • FAQ based Chinese natural language ask and answer method
  • FAQ based Chinese natural language ask and answer method

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Embodiment Construction

[0023] The processing flow of the present invention is shown in Figure 2. First, through existing search engines such as Google, Baidu, Yahoo, etc., use the resources on the Internet to establish a Q&A database based on the steps of Q&A database establishment. The question texts in the Q&A database obtain the main words through question analysis based on the dependency system, and use these main words as index items to establish an inverted index from word to question. For the query conditions entered by the user, the main words of the query conditions are first obtained through question analysis; the common keyword matching method is used to obtain the results of the main word hits from the index through the question search, and then the results in the results are calculated The similarity between the sentence and the user query sentence is sorted according to the similarity value from large to small, and the sentence in the first place is selected. Finally, find the answer text ...

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Abstract

The disclosed database-based Chinese natural language question-answering method comprises mainly analyzing Web structure to extract internet FAQ and question-answering from opening community to build database. Unlike to prior art, this invention can accept natural language query and return the answer directly without user screening, and overcomes defects in a certain extent.

Description

Technical field [0001] The invention relates to an information retrieval, natural language question answering system, and the field of Chinese natural language processing, in particular to a Chinese natural language question answering method based on a question answering library. Background technique [0002] With the continuous growth of Internet information, the Internet is filled with more and more redundant information; for Internet users searching for the information they need on the Internet, the entire behavior is undoubtedly similar to "finding a needle in a haystack." Although the emergence of the second-generation search engine represented by Google has greatly reduced the difficulty for users to find information, this type of search engine has certain shortcomings: [0003] First of all, because its search mode is based on exact keyword matching to find relevant information, any keyword entered by the user may be the basis for a web page hit (excluding some obvious sto...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
Inventor 陈纯卜佳俊仇光黄鹏蔡柯柯
Owner ZHEJIANG UNIV
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