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Method and system for network information extraction

A technology for network information and information extraction, applied in special data processing applications, instruments, electronic digital data processing, etc., can solve the problems of inaccurate retrieval results, excessive amount of information, irregular structure, etc., to improve the efficiency of commercial information acquisition Effect

Inactive Publication Date: 2009-01-14
CHINA AGRI UNIV +1
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  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

[0006] The problem to be solved by the present invention is to provide a method and system capable of accurately searching network information, so as to overcome the problems of inaccurate retrieval results, excessive information quantity, and irregular structure in the prior art

Method used

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  • Method and system for network information extraction

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Embodiment Construction

[0064]The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0065] The detailed implementation method in the field of agricultural commodities is given below. Such as figure 1 Shown, the present invention comprises the following steps:

[0066] Step s101, selecting training samples

[0067] 1. Create a dictionary related to agricultural products manually, mainly including the types, origins, specifications, profiles, etc. of agricultural products. The more data it contains, the higher the training accuracy;

[0068] 2. Use established dictionaries to filter web pages that are irrelevant to the subject, and screen a batch of web pages with different layout structures that contain agricultural product name, price, sales time and sa...

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Abstract

The invention relates to the field of internet information processing, in particular to a method and a system for network information extraction. The invention adopts a technical proposal which comprises the steps as follows: S1: information extraction rules are extracted from a rule database; S2: the information extraction rules are used as inquiry conditions for collecting network information and web pages which accord with the information extraction rules are used for establishing a primary database; S3: a user inquiry string is obtained; and S4: a web page which is matched with the inquiry string in the primary database is output. The invention can provide search results with high precision, which is different from traditional search engines and is an extremely effective and accurate information obtaining tool, thus substantially enhancing the obtaining efficiency of business information of people.

Description

technical field [0001] The invention relates to the field of Internet information processing, in particular to a method and system for extracting network information. Background technique [0002] With the rapid development of information retrieval technology, information retrieval technology has entered a relatively mature stage, from the most primitive keyword matching to the current context-based analysis, pattern matching, instance matching and application of statistical strategies for analysis, etc. It has formed a relatively complete set of ideas and perfect algorithms, and has been widely applied to various search engines. [0003] A search engine refers to an information retrieval system that collects information on the Internet according to a certain strategy and uses a specific computer program, and provides query services for users after organizing and processing the information. From the user's point of view, the search engine provides a page with a search box. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
Inventor 张小栓傅泽田张健胡亮穆维松赵明刘丽欣王传义冯亚北刘雪田东张领先
Owner CHINA AGRI UNIV
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