*Proceedings:Accepted and presented papers will be published into the ACM Proceedings (ISBN: 978-1-4503-8911-2), indexed by Ei compendex, scopus, etc. *Keynote Speakers:Lili Qiu, The University of Texas at Austin, USA (ACM Fellow, IEEE Fellow, and ACM Distinguished Scientist);Hai Jin, Huazhong University of Science and Technology, China (IEEE Fellow, CCF Fellow);Zhiguo Gong, The University of Macau. *Invited Speakers:Yucong Duan, Hainan University, China;Lei Li, Hefei University of Technology, China. *Previous ICCDA:Past ICCDA papers were all published in the prestigious ACM proceedings:ICCDA 2020, ISBN: 978-1-4503-7644-0, EI, Scopus indexingICCDA 2019, ISBN: 978-1-4503-6634-2, EI, Scopus indexedICCDA 2018, ISBN: 978-1-4503-6359-4, EI, Scopus indexedICCDA 2017, ISBN: 978-1-4503-5241-3, EI, Scopus indexed *Submission Link:http://www.easychair.org/conferences/?conf=iccda2021