1) The social influence and academic status of periodicals.
Source journals must have strong social influence and high academic status. It has a good academic reputation, can attract high-level authors at home and abroad to publish high-quality papers, and has a stable readership. The collection of source journals focuses on: national academic journals in important scientific and technological fields; Journal of natural science societies at all levels; Journal of Institute of China Academy of Sciences and key universities; And local excellent academic research journals.
2) Normality and timeliness of periodical editing
Source journals must be edited in accordance with international and domestic editing practices, and the relevant standard requirements of CSTPCD for source journals should be implemented. Should have complete bibliographic information, including publication name and year, paper title and abstract, keywords and classification number, comprehensive author information, standardized references and other important scientific measurement data.
Source journals must also maintain a strict publishing cycle, and cannot be delayed or postponed at will, and send journals and data disks to the Information Analysis and Research Center of China Institute of Science and Technology Information in an accurate and timely manner according to regulations.
3) Collect famous large-scale retrieval systems at home and abroad.
Whether it is included in the source journals by famous large-scale retrieval systems at home and abroad is an important basis for CSTPCD to evaluate the academic level of the included journals. For example, American Science Citation Index (SCI), American Science Citation Index Extended Edition (SCIE), American Engineering Index (EI), American Chemical Abstracts (CA), British Scientific Abstracts (SA), Japanese Science and Technology Literature Express, Russian Abstracts Magazine and other famous large-scale retrieval systems at home and abroad, as well as China's "Chinese Core Journals" are all retrieval tools that CSTPCD often consults and refers to.
4) Academic content and evaluation mechanism of journals.
The academic content of source journals should reflect the latest research achievements and important research projects of scientific research funds in this field. It can expand the knowledge system in a certain field of this discipline and has its own disciplinary characteristics and irreplaceable position. At the same time, the source journals should also have an editorial board composed of authoritative experts from all over the country, so as to conduct strict academic review of journal papers.
5) Quantitative analysis of periodical literature measurement index.
CSTPCD uses the comprehensive evaluation index system of sci-tech journals to quantitatively and comprehensively evaluate the journals applied for inclusion, and regularly tracks and evaluates all source journals in order to accurately and objectively evaluate all kinds of journals. These evaluation indexes include: the total cited frequency, the annual index of influencing factors, the proportion of funded papers, and the regional distribution of paper authors. The combination of qualitative and quantitative evaluation principles is a unique aspect of the selection process of CSTD.
6) Statistical consideration of special circumstances
In order to make the evaluation results more accurate and comprehensive, CSTPCD has given special consideration to some special situations. Including:
Keep the journals of high-tech disciplines well to ensure the integrity of disciplines and knowledge;
Take care of periodicals in remote areas and newly developed areas, and maintain the integrity of the region.