摘要
【目的/意义】针对叙词表概念遴选与词间关系构建的现状,以交叉学科方法研究概念在不同时间节点的变化规律。【方法/过程】假设学科领域内概念的词频随时间变化规律遵循生态学中Logistic种群增长规律,对专业领域文献中概念出现的频次进行统计,依据单个概念的成熟周期给出选词判断标准与词间关系的强弱判断依据。【结果/结论】发现在跨学科视角下,可以通过词频关系为新文献环境词表词间关系的构建提出参考意见。
[ Purpose/significance] For the situation in new literature environment affecting the thesaurus concept selection and construction of concept relations, to use interdisciplinary approach to research on the regularity of concept in the varia- tion of different nodes. [ Method/process ] Supposing the concept of frequency variation with time follow the ecology in the lo- gistic growth rules in subject areas, to count the frequency of concept in domain specific area, according to the mature peri- od and the development trend to give judgments of the strength between the words relationship. [Result/conclusion] Based on the interdisciplinary perspective, the article uses the frequency relationship to put forward suggestions between words re- lationship construction in new literature environment.
作者
杨婧
常春
YANG Jing CHANG Chun(Institution of Scientific and Technical Information of China, Beijing 100038, China)
出处
《情报科学》
CSSCI
北大核心
2017年第8期15-18,50,共5页
Information Science
基金
国家社会科学基金项目(15BTQ030)
