张子柯-SocialTaggingNetworksStructureDynamics&Applications.ppt
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1、2023/1/21Dep.phys.,Univ.Fribourg1Social Tagging Networks:Structure,Dynamics&ApplicationsCollaborators:Chuang LIU(刘闯),Yi-Cheng ZHANG(张翼成)Tao ZHOU(周涛)Zi-Ke ZHANG(张子柯)Department of Physics,University of Fribourg,SwitzerlandDep.phys.,Univ.Fribourg22023/1/21OutlinenStructure and Dynamics of Social Taggin
2、g NetworksWhat is SNT?Hypergraph StruturesDynamics and emergent propertiesn Applications in Personalized Recommendation(PR)Why Recommendation?How Tags benefit PR?n Conclusions&DiscussionDep.phys.,Univ.Fribourg32023/1/21 What is social tagging networks?Dep.phys.,Univ.Fribourg42023/1/21 What is social
3、 tagging networks?Dep.phys.,Univ.Fribourg52023/1/21From Graph to HypergraphBipartite Network EPL,90(2010)48006Hyper Network from wikipedia.orgUnipartite NetworkDep.phys.,Univ.Fribourg62023/1/21Hypergraph structures in STNZhang and Liu,J.Stat.Mech.(2010)P10005Hyperedge:basic unit Hyper NetworkDep.phy
4、s.,Univ.Fribourg72023/1/21Two roles of social tagsZhang and Liu,J.Stat.Mech.(2010)P10005nRolesRole1:an accessorial tool helping users organize resources:Fig.(a)Role2:a bridge that connects users and resources:Fig.(b)Dep.phys.,Univ.Fribourg82023/1/21Dynamics and evolution of social tagging networks(1
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