We are delighted to introduce the proceedings of the EAI Urb-IoT 2021. The theme of the 2021 EAI Urb-IoT International Conference was "Future Technologies Inspired by AI and IoT Technologies: A Series of More Advanced and More Useful AI Applications". The proceedings include 27 full papers. The conference tracks were: Track 1 - Handwriting Recognition Based on Deep Learning; Track 2 - Application of artificial intelligence technology in the field of smart education; Track 3 - Algorithm Research of Machine Vision; Track 4 - Development of asset management system based on artificial intelligence technology; Track 5 - Research on Intelligent Water Conservancy System Using Artificial Intelligence Algorithm; Track 6 - Application of Internet of Things Technology in Engineering. We firmly believe that the 2021 EAI Urb-IoT International Conference provided a great forum for all researchers, developers and practitioners. We also expect future 2021 EAI Urb-IoT International Conferences to be equally successful.

Make learning social studies vocabulary fun with a roots approach! This resource, geared towards secondary grades, focuses on root words for social science and includes tips and strategies, standards-based lessons, and student activity pages.