Aug 27-Aug 29,2021	Place	Submission
2021 4th International Conference on Information Management and Management Science (IMMS 2021)	Chengdu, China	Jul 15,2021
2021 3rd World Conference on Management Science and Engineering (WCMSE 2021)	Chengdu, China	Jul 15,2021

Sep 24-Sep 26,2021	Place	Submission
2021 the 3rd International Conference on Advances in Materials, Mechanical and Manufacturing (AMMM 2021)	Beijing, China	Aug 10,2021
2021 Asia Conference on Electronics Engineering (ACEE 2021)	Beijing, China	Aug 10,2021

Dec 17-Dec 20,2021	Place	Submission
2021 5th International Conference on Natural Language Processing and Information Retrieval (NLPIR 2021)	Sanya, China	Aug 10,2021