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A comparative analysis method of multi-dimensional network public opinion big data

A technology of network public opinion and comparative analysis, applied in the field of big data processing, can solve problems such as inability to achieve data classification and analysis

Active Publication Date: 2020-10-23
SOUTH CHINA UNIV OF TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, both the Baidu website and the public opinion monitoring website are just data search tools, and cannot achieve the purpose of preliminary data classification and analysis

Method used

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  • A comparative analysis method of multi-dimensional network public opinion big data
  • A comparative analysis method of multi-dimensional network public opinion big data

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Experimental program
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Embodiment

[0025] Such as figure 1 As shown, the present embodiment provides a method for comparative analysis of multi-dimensional network public opinion big data, the method comprising the following steps:

[0026] S1. Search for articles based on keywords, using policy, news, and review websites as data sources, and capture open data such as article titles, publication time, and network addresses;

[0027] News data sources fall into three categories. The first category is policy-oriented websites, such as government websites, which publish the latest policies and public announcements, etc. The data of such websites include the direction of government departments in this field. For example, the main policy release website in the field of historical and cultural villages and towns protection is the website of the Ministry of Housing and Urban-Rural Development and its subordinate provincial, municipal and regional websites. The second category is news websites, including large portal...

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Abstract

The invention discloses a multi-dimensional online public opinion big data comparative analysis method. The method is based on double-keyword search. The downloaded website is self-defined. The methodcomprises: conducting full-text search and data collection on three different data sources, semantic analysis is conducted on related article titles, an effective news hot spot professional vocabulary list is obtained through word segmentation, word frequency sorting and news text daily common word corpus matching elimination, and comparison analysis is conducted on the news hot spot professionalvocabulary lists of the different data sources. Word frequency data are obtained by analyzing internet news text big data. The method has the advantages that the sample size is large, the authenticity and objectivity are high, government departments and public group viewpoints are represented, the defects that a traditional interview and questionnaire survey method is small in data sample size and insufficient in sampling randomness can be overcome, and data reference can be provided for further subjective evaluation and analysis of the public viewpoints.

Description

technical field [0001] The invention relates to the field of big data processing, in particular to a method for comparative analysis of multi-dimensional network public opinion big data. Background technique [0002] The use of news data at home and abroad is mainly reflected in the monitoring of public opinion, providing implementation progress reports for government departments, enterprises, and the media. There are dozens of public opinion detection and analysis platforms in China, such as Qingbo, Sina, Turing, Yunge, Youxun, Lesi and other public opinion monitoring systems. These platforms monitor online public opinion 24 hours a day, and collect information from important media websites , classification, and analysis to obtain a ranking list of media attention on the two micro-ends and one end. Its analytical data is highly reliable, free to share, and open. Although there are many kinds of online public opinion monitoring systems, their products mainly focus on media...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F40/30G06F40/284G06F16/951G06F16/953G06F16/9535G06F16/33
Inventor 黄翼吴硕贤
Owner SOUTH CHINA UNIV OF TECH
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