Social Network

Social Network is a social structure made up of a set of social actors (such as individuals or organizations), sets of dyadic ties, and other social interactions between actors. The social network perspective provides a set of methods for analyzing the structure of whole social entities as well as variety of theories explaining the patterns observed in these structures. The study of these structures uses social network analysis to identify local and global patterns, locate influential entities, and examine network dynamics.

The social network is a theoretical construct useful in the social sciences to study relationships between individuals, groups, organizations, or even entire societies.  The term is used to describe a social structure determined by such interactions, the ties through which any given social unit connects represent the convergence of the various social contacts of that unit.
(Wikipedia)

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