Since its first release in 2004, the CAS Journal Ranking, a ranking system of journals based on a citation impact indicator, has been widely used both in selecting journals when submitting manuscripts and conducting research evaluation in China This paper introduces an upgraded version of the CAS Journal Ranking released in 2020 and the corresponding improvements. We will discuss the following improvements: (1) the CWTS paper-level classification system, a fine-grained classification system, utilized for field normalization, (2) the Field Normalized Citation Success Index (FNCSI), an indicator which is robust against not only extremely highly cited publications, but also wrongly assigned document types, and (3) document type difference. In addition, this paper will present part of the ranking results and an interpretation of the features of the FNCSI indicator.

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https://www.webofscience.com/api/gateway/wos/peer-review/10.1162/qss_a_00270

CAS Journal Ranking, Field Normalization, Citation Success Index, Journal Impact Factor, Paper-level Classification
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Handling Editor: Vincent Larivière

© 2023 Sichao Tong, Fuyou Chen, Liying Yang, and Zhesi Shen. Published under a Creative Commons Attribution 4.0 International (CC BY 4.0) license.
2023
Sichao Tong, Fuyou Chen, Liying Yang, and Zhesi Shen
This is an open-access article distributed under the terms of the Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. For a full description of the license, please visit https://creativecommons.org/licenses/by/4.0/legalcode.

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