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So the calculation of link prediction is the most important task because this calculation will help how to increase the number of user on a social network. A new technique of link prediction, namely RSM index, is introduced in this paper. Few essential properties have been established. Also, a comparative study with the existing methods is depicted with suitable tables and graphs.<\/jats:p>","DOI":"10.3233\/jifs-181452","type":"journal-article","created":{"date-parts":[[2019,7,30]],"date-time":"2019-07-30T11:28:24Z","timestamp":1564486104000},"page":"2137-2151","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":61,"title":["RSM index: A new way of link prediction in social networks"],"prefix":"10.1177","volume":"37","author":[{"given":"Rupkumar","family":"Mahapatra","sequence":"first","affiliation":[{"name":"Department of Applied Mathematics with Oceanology and Computer Programming,  Vidyasagar University, Midnapore, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sovan","family":"Samanta","sequence":"additional","affiliation":[{"name":"Department of Mathematics, Tamralipta Mahavidyalaya, Tamluk, West Bengal, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Madhumangal","family":"Pal","sequence":"additional","affiliation":[{"name":"Department of Applied Mathematics with Oceanology and Computer Programming,  Vidyasagar University, Midnapore, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Qin","family":"Xin","sequence":"additional","affiliation":[{"name":"Faculty of Science and Technology, University of the Faroe Islands, T\u00f3rshavn, Faroe Islands"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2019,7,29]]},"reference":[{"key":"e_1_3_1_2_2","first-page":"77","volume-title":"Fuzzy Sets and Their Alications","author":"Rosenfeld A.","year":"1975","unstructured":"RosenfeldA., Fuzzy graph, ZadehL.A., FuK.S., ShimuraM. 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