%A Ji Shiyan %T Discussion of Bibliographic Data Replacement Rules on the Second Edition Chinese Classified Thesaurus Upgrade %0 Journal Article %D 2011 %J Data Analysis and Knowledge Discovery %R 10.11925/infotech.1003-3513.2011.03.15 %P 94-97 %V 27 %N 3 %U {https://manu44.magtech.com.cn/Jwk_infotech_wk3/CN/abstract/article_3369.shtml} %8 2011-03-25 %X Based on the background of the second edition Chinese classified thesaurus upgrade project of the National Library of China, this paper introduces the overall situation of bibliographic data update, analyses the rules of bibliographic data update, and provides the program to illustrate each type bibliographic data update.