Public opinion monitoring platform based on big data
A technology of big data and public opinion, applied in network data indexing, network data retrieval, electronic digital data processing, etc., can solve the problem of low efficiency of public opinion data processing, difficulty in realizing automatic collection of massive network public opinion data, difficulty in timely discovery of public opinion hotspots and various Issues such as the development trend of similar events, to achieve the effect of rich content and reasonable sources of public opinion content
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Embodiment 1
[0035] The present invention is a public opinion monitoring platform based on big data, including a public opinion big data acquisition module, a preprocessing module, a deep processing module, a public opinion analysis module, a public opinion decision-making module and a display module,
[0036] The public opinion big data collection module is used to use machine learning technology or web crawler technology to collect public opinion information on the network, and send the collected public opinion information to the public opinion information preprocessing module;
[0037] The preprocessing module performs information preprocessing on the public opinion information collected by the public opinion collection module to obtain pure text information, and sends the processed text information to the deep processing module;
[0038] The deep processing module collects the text information data sent by the public opinion information preprocessing module and inputs them into the deep...
Embodiment 2
[0049] On the basis of Embodiment 1, in a preferred embodiment of the present invention, the public opinion big data collection module includes: an information acquisition module, which uses web crawler technology and machine learning technology to crawl data in the network; a data storage module , to store the crawled data into the big data database; the index building module starts the index back-end service while storing the data, accesses the public opinion content of the database in chronological order, and constructs an inverted index according to the content.
[0050] In a preferred embodiment of the present invention, the public opinion information includes public opinion content, release time, publisher, comment volume, repost volume, opinion statistics, and event focus.
[0051] In the present invention, the public opinion big data acquisition module mainly uses web crawlers to crawl the original content of web pages (web pages, microblogs, blogs, forums, and WeChat o...
Embodiment 3
[0053] On the basis of the above embodiments, in a preferred embodiment of the present invention, the information preprocessing in the preprocessing module specifically includes at least one of denoising and impurity removal, content extraction and security encryption of public opinion information.
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