1) Australian Computing Research & Education (CORE, 2020): A (top 19%)

http://portal.core.edu.au/conf-ranks/?search=ISSRE&;by=all&source=CORE2020&sort=atitle&page=1

2) China Computer Federation (CCF, 2019): B

https://www.ccf.org.cn/Academic_Evaluation/TCSE_SS_PDL/

B rank: Very famous and important international conference with significant impact, encourage Chinese scholars to submit papers.

3）Top 20 publications in Quality & Reliability (by Google Scholar Metrics, as of April 12th, 2021)

https://scholar.google.com/citations?view_op=top_venues&hl=en&vq=eng_qualityreliability

Notice：The rank should be read cautiously , as the H5-index may favor journals or conferences with more punlication usually only publishes 30~40 high quality papers per year.