The 4th International Conference on Innovation in Computer Science and Artificial Intelligence on 23-25 July 2021 in Stockholm, Sweden aims to bring together academia, researchers and scholars in order to exchange and share their experiences and research results about all aspects of specialized and interdisciplinary fields. This event provides an opportunity for all to network, share ideas and also present their research work. In addition, discussion on the latest innovations, trends and practical concerns and challenges faced in these fields are also encouraged.