The Application Research of Social Network Analysis in Scientific Evaluation

In-depth understanding of the scientific system of internal structure,and analysis of the scientific laws governing the operation and development trend is an important subject for scientific and technological evaluation researchers.A variety of types of knowledge networks in the scientific literature system,are correlated and different.A combination of different elements constitute various types of network structure,such as citation networks,co-word network and co-operation network.Based on social network analysis method to the use of power index,outdegree and eigenvectors centrality,co-word network analysis,co-author network analysis and EI index,it could conduct scientific and rational,objective and effective evaluation,analysis and measurement for science and technology literature,journals,research hotspot of discipline,cooperation of author and agency and interdisciplinary cross-degree.