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Public opinion monitoring method and system using aspect-based sentiment analysis method

A sentiment analysis and aspect technology, applied in semantic analysis, using information identifiers to retrieve web data, special data processing applications, etc., can solve the problems of difficult interpretation and poor accuracy of results, etc., to achieve accurate judgment, intuitive and clear understanding Effect

Active Publication Date: 2020-06-19
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The interpretation of the results of sentiment analysis is difficult to interpret, and the accuracy of the results is not good

Method used

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  • Public opinion monitoring method and system using aspect-based sentiment analysis method
  • Public opinion monitoring method and system using aspect-based sentiment analysis method
  • Public opinion monitoring method and system using aspect-based sentiment analysis method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0057] This embodiment discloses a public opinion monitoring method using an aspect-based sentiment analysis method, such as figure 1 as shown,

[0058] Step (1): Build a crawler for crawling news comments;

[0059] (a) When using it for the first time, the user needs to select the monitored website with news comments. Here we set three options, Sina News, Netease News, and Sohu News. After the user selects the website to be monitored, the system selects a seed URL and puts this URL into the queue of URLs to be captured;

[0060] (b) From the URL in the URL queue to be grabbed, use BeautifulSoup4 to parse the web page information of the URL. The news title, time, author, and content in the web page.

[0061] (c) Judging whether the news is already in the database, if not in the database, store the parsed data in the database; if the news is already in the database, judge whether the comment is in the database, if not, then in the corresponding Add corresponding comments af...

Embodiment 2

[0093]The purpose of this embodiment is to provide a computing device, including a memory, a processor, and a computer program stored in the memory and operable on the processor. The steps of the public opinion monitoring method based on the aspect-based sentiment analysis method.

Embodiment 3

[0095] The purpose of this embodiment is to provide a computer-readable storage medium.

[0096] A computer-readable storage medium, on which a computer program is stored. When the program is executed by a processor, the steps of the public opinion monitoring method using the aspect-based sentiment analysis method in Embodiment 1 are executed.

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Abstract

The invention discloses a public opinion monitoring method and system using an aspect-based sentiment analysis method, and the method comprises the steps: constructing a crawler for crawling news comments, and crawling needed news and corresponding comment information; processing the news and the corresponding comment information, wherein stop words are removed, and word segmentation is conductedon sentences with the stop words removed; performing aspect-based sentiment analysis on the processed information by using a deep learning model, and analyzing sentiment of each aspect in the text; identifying a topic of each news text by using an LDA topic distribution model; and performing statistics on the theme of the news text and the emotion of each aspect in the news text. The emotion analysis can be carried out on the news comment text in a finer-grained manner, the emotion of each aspect in the news comment text can be judged, and the emotion of the news comment text can be judged more accurately.

Description

technical field [0001] The invention belongs to the field of deep learning and natural language processing (Natural Language Processing) (NLP) field, in particular to a public opinion monitoring method and system using an aspect-based sentiment analysis method. Background technique [0002] The statements in this section merely provide background information related to the present disclosure and do not necessarily constitute prior art. [0003] With the rapid development of network technology and the rapid increase in the number of netizens, the Internet has become a platform for disseminating opinions and sharing resources. The status of public opinion on the Internet can reflect various forms of society, the voice of the people, and an important basis for current social trends. Recently, illegal activities such as dissemination of obscenity and pornography, online gambling, online selling of contraband, online information fraud, spreading rumors, malicious attacks on the p...

Claims

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Application Information

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IPC IPC(8): G06F40/30G06F16/35G06F16/951G06F16/955
CPCG06F16/35G06F16/951G06F16/955
Inventor 郭伟姜涛鹿旭东崔立真
Owner SHANDONG UNIV
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