In traditional social networks

nodes and edges are homogeneous structural information in ontology theory

and they can only exist in some social organizations. Each node and edge of the network can have a specific semantics in the basis of the social network analysis theory

so the net is called semantic social network. This article researched the basic concepts of social network semantics deeply

expanded the basic concepts in the traditional analysis process

put forward the basic concepts of association paths

researched its evaluation

and widely applied it to explore and dig important nodes in social networks.