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In order to correctly guide the direction of online public opinion on agricultural products, help the agricultural sector turn from passive to active public opinion, timely prevent the spread of negative public opinion, and reduce the negative impact on public opinion hot events, it is especially important to improve the ability of monitoring agricultural products\u2019 network public opinion. This research is based on big data technology to develop an agricultural products\u2019 network public opinion monitoring system that can collect, process, and analyze data in real time, discover and track hot topics, and calculate and visualize the polarity of public sentiment. The use of big data technology to increase the processing speed aims to strengthen the public\u2019s supervision of the public opinion on the network security of agricultural products and provide an effective basis of the decision-making of relevant departments.<\/jats:p>","DOI":"10.1155\/2021\/9976001","type":"journal-article","created":{"date-parts":[[2021,6,10]],"date-time":"2021-06-10T21:50:52Z","timestamp":1623361852000},"page":"1-17","source":"Crossref","is-referenced-by-count":6,"title":["Network Public Opinion Monitoring System for Agriculture Products Based on Big Data"],"prefix":"10.1155","volume":"2021","author":[{"given":"He","family":"Liu","sequence":"first","affiliation":[{"name":"College of Information Technology, Jilin Agricultural University, Changchun 130118, Jilin, China"},{"name":"Jilin Precision Agriculture and Big Data Engineering Research Center, Changchun 130118, Jilin, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zekun","family":"Yu","sequence":"additional","affiliation":[{"name":"College of Information Technology, Jilin Agricultural University, Changchun 130118, Jilin, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xiangzhi","family":"Zhong","sequence":"additional","affiliation":[{"name":"College of Information Technology, Jilin Agricultural University, Changchun 130118, Jilin, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1800-3739","authenticated-orcid":true,"given":"Helong","family":"Yu","sequence":"additional","affiliation":[{"name":"College of Information Technology, Jilin Agricultural University, Changchun 130118, Jilin, China"},{"name":"Jilin Precision Agriculture and Big Data Engineering Research Center, Changchun 130118, Jilin, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","reference":[{"volume-title":"44 Times China Internet Network Development State Statistic Report","year":"2019","author":"China Internet Network Information Center","key":"1"},{"volume-title":"Network Public Opinion: Research on Influencing Factors and Their Action Mechanism","year":"2013","author":"M. 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