This collection explores the diverse landscape of artificial intelligence through a selection of papers from a major international conference. The First CAAI International Conference on Artificial Intelligence, held in Hangzhou, China, in June 2021, brought together researchers to present their latest findings. Despite the challenges posed by the COVID-19 pandemic, which led to a partially online format, 105 papers were carefully reviewed and chosen from 307 submissions. These papers cover a broad spectrum of AI topics, including applications, computer vision, data mining, explainability, machine learning, natural language processing, and robotics.

This compilation represents a snapshot of current research in artificial intelligence as presented at a significant international conference. The selection process, involving a thorough review of numerous submissions, suggests a focus on quality and relevance within the field. The breadth of topics covered indicates a comprehensive overview of AI's advancements and applications.