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Initially, the Weibo sentiment dictionary is created, and a conventional model for sentiment analysis of user-forwarded Weibo is introduced, specifically the Latent Dirichlet Allocation (LDA) model. Then, the deep learning models in the field of artificial intelligence, namely, the convolutional neural network (CNN) model and the long short-term memory network (LSTM) model, are proposed. Tencent Weibo data set is obtained through Application Programming Interface (API) crawler. The experimental environment of the deep learning model is analyzed and the data set is preprocessed. The results show that when the number of topics is 120, the relative maximum value of F1 is 69.92% and 69.96% with and without the introduction of emotional features in the LDA model, respectively. The accuracy of CNN model and LSTM model is 0.793 and 0.849, respectively. In the three cases of user characteristics, user characteristics + Weibo features, and use characteristics + Weibo features + relationship characteristics, the polarity of the forwarded comments of the LDA model doesn\u2019t change much. In conclusion, the LDA model demonstrates universality and accuracy in sentiment analysis of user-forwarded Weibo, while LSTM proves to be more suitable for sentiment classification in this context. Leveraging the LDA deep learning model, LSTM effectively analyzes the sentiment of users forwarding Weibo. These findings serve as an experimental foundation for the efficient integration of Weibo in human-computer interaction education.<\/jats:p>","DOI":"10.1177\/14727978241299236","type":"journal-article","created":{"date-parts":[[2025,4,28]],"date-time":"2025-04-28T10:26:26Z","timestamp":1745835986000},"page":"7-16","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["Sentiment analysis of users reposting Weibo under Latent Dirichlet Allocation deep learning model"],"prefix":"10.66113","volume":"25","author":[{"given":"Wei","family":"Ma","sequence":"first","affiliation":[{"name":"Guangzhou Institute of Science and Technology"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yongjun","family":"Qi","sequence":"additional","affiliation":[{"name":"Guangdong Baiyun University"},{"name":"Mongolian University of Science and Technology"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hailin","family":"Tang","sequence":"additional","affiliation":[{"name":"Guangdong Baiyun University"},{"name":"Mongolian University of Science and Technology"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shukun","family":"Zhang","sequence":"additional","affiliation":[{"name":"Guangdong Baiyun University"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"55691","published-online":{"date-parts":[[2024,11,5]]},"reference":[{"key":"e_1_3_2_2_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00530-014-0407-8"},{"key":"e_1_3_2_3_2","doi-asserted-by":"publisher","DOI":"10.1007\/s11172-017-1951-0"},{"key":"e_1_3_2_4_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0165-5728(02)00004-8"},{"key":"e_1_3_2_5_2","doi-asserted-by":"publisher","DOI":"10.4067\/S0718-09342015000100003"},{"key":"e_1_3_2_6_2","doi-asserted-by":"publisher","DOI":"10.1038\/sj.bdj.2018.485"},{"key":"e_1_3_2_7_2","doi-asserted-by":"publisher","DOI":"10.1007\/s10462-012-9356-9"},{"key":"e_1_3_2_8_2","doi-asserted-by":"publisher","DOI":"10.1109\/MIS.2015.97"},{"key":"e_1_3_2_9_2","doi-asserted-by":"publisher","DOI":"10.1007\/s10278-015-9828-y"},{"key":"e_1_3_2_10_2","doi-asserted-by":"publisher","DOI":"10.1057\/s41265-016-0034-2"},{"issue":"6","key":"e_1_3_2_11_2","first-page":"1","article-title":"Research on China's city network based on users' friend relationships in online social networks: a case study of Sina Weibo","volume":"81","author":"Feng Z","year":"2019","unstructured":"Feng Z, Bo W, Yingxue C. 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