收稿日期: 2012-11-05
修回日期: 2013-01-14
网络出版日期: 2013-02-05
基金资助
本文系国家自然科学基金项目"基于混合聚类技术的交叉学科结构特征和演进趋势研究"(项目编号:71103064)研究成果之一。
Analysis of Subject Classification and Interdisciplinary Structure Based on Journal Hybrid Clustering
Received date: 2012-11-05
Revised date: 2013-01-14
Online published: 2013-02-05
张琳 . 期刊混合聚类的学科分类与交叉学科结构研究[J]. 图书情报工作, 2013 , 57(03) : 78 -84 . DOI: 10.7536/j.issn.0252-3116.2013.03.015
A hybrid clustering algorithm based on fitting similarity of "citation-text", is used to cluster 8 305 journals in SCI, SSCI and A&HCI in Web of Science, to interpret the internal structure of science. Essential Science Indication (ESI) classification system is compared with the journal hybrid clustering structure. The "coincidence" of the two schemes is thought having strong "subject correlation" and defined as the "subject kernel" of corresponding disciplines, and the "difference" is "subject peripheral". The "Core journals" define the core knowledge scope of corresponding, while the "peripheral journals" interpret the structure characteristics such as differentiation and cross fusion of different subjects.
Key words: journal; hybrid clustering; interdisciplinary; structure of science
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