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学科交叉程度的测量对于确定学科独立性、明确不同学科间的关系具有重要意义。为了对两个或多个学科间的交叉程度进行分析,引入网络分析中的E-I指数计算方法。通过对不同学科期刊互引网络的学科子群之间的分派程度进行分析,探寻不同学科之间的交叉程度。通过E-I指数对情报学、图书馆学、计算机科学、科学学、管理学5个学科之间的交叉程度进行测度。
The measurement of the degree of interdisciplinarity is of great significance for determining the independence of the subject and clarifying the relationship among the different subjects. In order to analyze the degree of cross-over between two or more disciplines, we introduce the E-I index calculation method in network analysis. By analyzing the disparities between disciplines and sub-groups of different disciplines and journals, we explore the degree of cross-discipline between different disciplines. The E-I index measures the degree of cross-over between the five subjects of information science, library science, computer science, science and management.