This article is about the theoretical concept. For social networking sites, see social networking service. For other uses, see Social network (disambiguation).A social network diagram displaying friendship ties among a set of Facebook users.SociologySNA segment.pngOutline HistoryTheoryPositivism Antipositivism Functionalism Conflict theories Middle-range Mathematical Critical theory Social constructionism Structuralism InteractionismMethodsQuantitative Qualitative Historical Computational Conversation analysis Ethnography Ethnomethodology Network analysisSubfieldsConflict Criminology Culture Development Deviance Demography Education Economic Environmental Family Gender Health Industrial Inequality Knowledge Law Literature Medical Military Organizational Political Race and ethnicity Religion Rural Science Social change Social movements Social psychology Stratification Technology UrbanBrowsePortal People Organizations Journals Index Timeline WikiProjectv t eNetwork scienceInternet map 1024.jpgTheoryGraph Complex network Contagion Small-world Scale-free Community structure Percolation Evolution Controllability Graph drawing Social capital Link analysis Optimization Reciprocity Closure Homophily Transitivity Preferential attachment Balance theory Network effect Social influenceNetwork typesInformational (computing) Telecommunication Transport Social Biological Artificial neural Interdependent Semantic Spatial Dependency FlowGraphsFeaturesClique Component Cut Cycle Data structure Edge Loop Neighborhood Path Vertex Adjacency list / matrix Incidence list / matrixTypesBipartite Complete Directed Hyper Multi Random WeightedMetrics AlgorithmsCentrality Degree Betweenness Closeness PageRank Motif Clustering Degree distribution Assortativity Distance Modularity EfficiencyModelsTopologyRandom graph Erdős–Rényi Barabási–Albert Watts–Strogatz Exponential random (ERGM) Hyperbolic (HGN) HierarchicalDynamicsBoolean network agent based Epidemic/SIRLists CategoriesTopics Software Network scientistsCategory:Network theory Category:Graph theoryv t eSocial network analysis (SNA) is the use of network theory to analyse social networks. Social network analysis views social relationships in terms of network theory, consisting of nodes, representing individual actors within the network, and ties which represent relationships between the individuals, such as friendship, kinship, organizations and sexual relationships.[1][2] These networks are often depicted in a social network diagram, where nodes are represented as points and ties are represented as lines.Social network analysis has emerged as a key technique in modern sociology. It has also gained a significant following in anthropology, biology, communication studies, economics, geography, history, information science, organizational studies, political science, social psychology, development studies, and sociolinguistics and is now commonly available as a consumer tool.
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