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Automatic inquiring and answering method and system

A technology for automatic question answering and questioning, applied in the field of knowledge engineering, which can solve problems such as difficult to answer

Inactive Publication Date: 2009-03-04
北京百问百答网络技术有限公司
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

[0008] However, existing systems still have major flaws, and it is often difficult to answer some questions, especially dynamic and time-sensitive questions

Method used

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  • Automatic inquiring and answering method and system
  • Automatic inquiring and answering method and system

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Embodiment Construction

[0107] In order to make the purpose, technical solution and advantages of the present invention clearer, an automatic question answering method and system of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0108] The embodiment of the present invention takes the Internet as the source of knowledge, and uses the Google search engine system to search for relevant Web documents from the Internet as an example to illustrate a method and system for automatic question answering of the present invention, but it should be noted that this is not an application of the present invention. Limitation of the scope, the present invention can also be applicable to other knowledge sources (such as Wikipedia or some local corpora, etc.), by other search methods (or ...

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Abstract

The invention discloses an automatic question answering method and a system thereof. The automatic question answering method comprises the following steps: step A, the information of a question is acquired through the analysis of the question; step B, the query criterion is generated according to the analysis results of the question for retrieval by using the search engine in knowledge source, thus searching out the file collection relating to the query criterion; the file collection is divided into paragraph collections; step C, paragraph collections relating to the query criterion are retrieved in a centralized way from the paragraphs by using the paragraph retrieval method according to the file retrieval results; and the answer of the question is returned from the paragraph collections. The automatic question answering method and the system improve the accuracy of answers and the precision of returning correct results.

Description

technical field [0001] The present invention relates to the fields of knowledge engineering, natural language processing, and computer network information technology, in particular to a document-based automatic question answering method and system. Background technique [0002] The current network contains an increasing amount of information, and people can get answers to a large number of questions from the network. Usually, the network is composed of a large number of hypertexts (web pages). However, it is very difficult for users to quickly locate required information in the network. An important method to solve this problem in the prior art is to use a search engine to search for the required answer to the question through keyword matching. [0003] However, this method usually results in a large number of webpages that contain search keywords but have nothing to do with the answers. Users usually need to manually or further search for relevant webpages in the search re...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30G06F17/27G06N5/02
Inventor 刘文印
Owner 北京百问百答网络技术有限公司
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