All submissions will be peer reviewed, and the accepted papers will be published in the BDAI 2021 Conference Proceedings, and reviewed by the IEEE Conference Publication Program for IEEE Xplore, Ei Compendex and Scopus. ==Conference History: BDAI2020 was successfully held through virtual conference during July 3-6, 2020! The papers were already indexed now! ISBN: 978-1-4503-7560-3BDAI2019 was successfully held in Guangzhou, China during June 22-24, 2019! The papers were all online in August and soon it will be indexed. ISBN: 978-1-4503-7185-8BDAI2018 was successfully held in Beijing, China during June 22-24, 2018! The papers were all indexed by Ei Compendex and Scopus. BDAI2018 - ISBN: 978-1-5386-6136-9