The book constitutes selected peer-reviewed proceedings of the International Conference on the 4th Industrial Revolution and Beyond (IC4IR 2021). It focuses on the research trends, challenges, and future of artificial intelligence (AI). It explores the potential for the integration of advanced AI algorithms. The book addresses the challenges of Data Science for industrial applications in developing and under-developed countries and various security issues. It includes qualitative and quantitative research and provides case studies with working models. The book focuses on artificial intelligence and its applications for industry, innovation, and infrastructure. The book serves as a reference book for practitioners and researchers working in the areas of AI, soft computing, IoT, and data analytics.

Sazzad Hossain is a distinguished professor, researcher, academic teaching advisor with extensive experience in the ICT sector, and writer. Currently, he is working as a full-time member of the University Grants Commission of Bangladesh. He is also a director of the Board of Directors of Bangladesh Communication Satellite Company Ltd (BCSCL). Dr. Sazzad is a masterly instructor in the ICT field with enormous knowledge of the subject matter. He joined as a professor as well as the head of the Department of Computer Science and Engineering at the University of Liberal Arts Bangladesh in December 2009. He received his Ph.D. and master's degree in Electrical and Computer Engineering from Portland State University, Oregon, USA. He received his Bachelor of Science in Electrical System Network Engineering from Moscow Technical University (Popularly known as Moscow Power Institute), Moscow, Russia. He has twenty-six (26) years of experience in Information Technology. His research interest includes quantum computing, quantum algorithms, quantum entanglement, decoherence, natural computing, fault-tolerant computing, theoretical computer science, nanotechnology, low power VLSI design, reversible logic, software engineering, IoT, artificial intelligence, robotics, human-robot interaction. Based on his research findings, over 50 papers have been published in peer-reviewed international journals and conference proceedings.

Satya Prasad Majumder joined the position of vice chancellor of Bangladesh University of Engineering and Technology (BUET) in June 2020. He is a professor in the Department of Electrical and Electronic Engineering (EEE), BUET. He received his B.Sc. and M.Sc. in Electrical & Electronic Engineering from BUET, Bangladesh, in 1981 and 1985, respectively. In 1993, he obtained his Ph.D. degree in Optical Fiber Communication Engineering from the Indian Institute of Technology (IIT) Kharagpur, India. His research interests include optoelectronics and photonics, optical fiber communication systems, DWDM optical networks, soliton propagation, broadband wireless communications, mobile, and infrared networks. He supervised over 50 M.Sc. theses and 6 Ph.D. dissertations and published over 200 research papers in reputed refereed journals and conference proceedings.

Nazmul Siddique is with the School of Computing, Engineering, and Intelligent Systems, Ulster University. He obtained Dipl.-Ing. degree in Engineering Cybernetics and Automation Engineering from the TU Dresden, Germany, an M.Sc. in Computer Science from BUET, Bangladesh, and a Ph.D. in Intelligent Control from the Department of Automatic Control and Systems Engineering, University of Sheffield, England. He was awarded the prestigious Commonwealth Academic Staff Scholarship for Ph.D. at the University of Sheffield, England, and the German Government Scholarship for Dipl.-Ing at TU Dresden, Germany. His research interests include robotics, cybernetics, computational intelligence, nature-inspired computing, stochastic systems, and vehicular communication. He has published over 180 research papers in the broad area of computational intelligence, vehicular communication, robotics, and cybernetics. He authored and co-authored five books published by John Wiley, Springer, and Taylor & Francis. He guest-edited eight special issues of reputed journals on Cybernetic Intelligence, Computational Intelligence, Neural Networks, and Robotics.

Mohammad Shahadat Hossain is a professor of Computer Science and Engineering at the University of Chittagong, Bangladesh since 2007. He is the first professor of Computer Science and Engineering in this region of Bangladesh. He did both his M.Phil. and Ph.D. in Computation from the University of Manchester Institute of Science and Technology (UMIST), the UK, in 1999 and 2002, respectively. He is continuing his research in other adventurous areas of computing such as health informatics, affective computing, e-government, smart cities, IoT, and the philosophy of computing. He has published 130 scholarly articles in reputed international journals and conferences. He is the author of several books. His jointly authored book entitled "Computing Reality", published by Aoshima Research Institute (blue ocean press) in Tokyo, Japan, contributed significantly to enriching the knowledge of computer science and is indexed in the ACM Digital Library, published by the Association for Computing Machinery, as one of the important computing literature books.