Before revision:  Different from other approaches, our focus is on the unique characteristics of AI technology and the differences between non-AI computing systems and AI systems. We further elaborate on the human-centered AI (HCAI) approach that we proposed in 2019.
After revision:  Different from other approaches, our focus is on the unique characteristics of AI technology and the new challenges that HCI professionals face when applying the human-centered AI (HCAI) approach that we proposed in 2019.