From June 21st to 23rd, 2021, the third Online International Symposium on data-driven Knowledge Discovery (CDKD 2021) was successfully held, which was sponsored by the National Science Library, Chinese Academy of Sciences(NSLC) and organized by the editorial department of Journal of Data and Information Science(JDIS).

Focusing on the multi-dimensional evaluation of R&D innovation, this conference brought together 30 excellent reports from more than 10 countries, including China, the United States, the United Kingdom, Belgium, Norway, Denmark, Germany, Italy, Russia, South Korea and Australia. The three-day conference was attended by more than 100 people and participants had fruitful exchanges on the contents of the report.

Prof. Zhang Xiaolin and Prof. Ronald Rousseau, co-editors of JDIS, opened the conference. They introduced the reform practice of scientific research innovation evaluation in China and many challenges in current global scientific research evaluation.

Prof. Yang Liying, deputy editor-in-chief of JDIS, summarized the results of the conference and put forward prospects for the next generation of scientific research evaluation, and said that CDKD series of conferences and JDIS will continue to be committed to providing professional academic exchanges and dissemination of results.