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248 Journal of Library Science in China, Vol.13, 2021

science. Based on literature review on the methodology system, this paper selects ten core
journals in library science, that is Journal of Library Science in China, Library and Information
Service, Journal of Academic Libraries, Document, Information & Knowledge, Journal of the
National Library of China, Library Development, Library Tribune, Research on Library Science,
Library & Information, Library Journal. Then, we code and calculate the research methods
used in each paper. It reveals the application of research methods in library science in China by
automatic extraction and manual coding. Results show that the methodology system of library
science consists of three levels: general scientific methods, specialized research methods, and
interdisciplinary research methods.
Besides, various research methods at different methodological levels complement each other in
applying library science research themes with Chinese characteristics. In the contemporary Chinese
context, the general research methods apply mainly to the following aspects: 1) the transformation
and development of libraries in China, 2) the development of Chinese librarianship, 3) the review,
reflection, and reform of library science education in China, 4) the development of China’s folk
libraries, township libraries and libraries in poverty areas, 5) the construction of service system
and governance model of public libraries in China. The general research methods and specialized
research methods apply mainly to the following aspects: 1) research on the process of public library
law in China, 2) research progress of China’s public digital culture construction and service, 3) the
application of modern information technology in China’s libraries, 4) the evaluation and empirical
research of library service quality, 5) informetric and scientific evaluation research. The general
research methods and interdisciplinary research methods combined apply mainly to the following
aspects: 1) the further study on the theory and practice of library reading promotion, 2) marketing
strategies and promotion practices for library services, 3) study of information behaviour and
personalized services from a user perspective. Based on Chinese practice, the various research
methods at different levels of methodology complement each other in the specific application of
library science research in the Chinese context. They are of great significance in solving Chinese
problems and spreading Chinese voices.

The rise of interdisciplinary fields under the background of big data: a
discussion of the construction of datametrics
〇a*
QIU Junping, YU Bo & YANG Siluo
Datametrics is a new interdisciplinary subject. Effective measurement and analysis of
heterogeneous, multi-source, and massive data, in-depth exploration of the knowledge value and
resource value of data, enriching the discipline system of metrology, and promoting the vigorous

* Corresponding should be addressed to YU Bo, Email:yubo@hdu.edu.cn, ORCID:0000-0001-8234-279X.