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Therefore, this paper proposes an efficient data transmission model based on community clustering. According to the user\u2019s social relationship and the release location of the points of interest, the nodes with a high degree of interest relevance are divided into the same community. Weaken the concept of a central point in the community, and users can share information to solve the problem of excessive load on some nodes in the network and sizeable end-to-end delay.<\/jats:p>","DOI":"10.3233\/jifs-210807","type":"journal-article","created":{"date-parts":[[2021,5,11]],"date-time":"2021-05-11T14:07:58Z","timestamp":1620742078000},"page":"2129-2144","source":"Crossref","is-referenced-by-count":9,"title":["Effective communication data transmission based on community clustering in opportunistic social networks in IoT system"],"prefix":"10.1177","volume":"41","author":[{"given":"Xiangxiang","family":"Zhang","sequence":"first","affiliation":[{"name":"The School of Computer Science and Engineering, Central South University, Changsha, China"}]},{"given":"Liu","family":"Chang","sequence":"additional","affiliation":[{"name":"The School of Computer Science and Engineering, Central South University, Changsha, 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