Preface to the Joint Workshop of the 5th Extraction and Evaluation of Knowledge Entities from Scientific Documents (EEKE2024) and the 4th AI + Informetrics (AII2024)

The Joint Workshop of the 5th Extraction and Evaluation of Knowledge Entities from Scientific Documents (EEKE2024; https://eeke-workshop.github.io/) and the 4th AI + Informetrics (AII2024; https://ai-informetrics.github.io/) was held in Changchun, China and online, co-located with the iConference2024. The two workshop series are designed to actively engage diverse communities in addressing open challenges related to the extraction and evaluation of knowledge entities from scientific documents and the modeling and applications of AI-empowered informetrics for broad interests in science of science, science, technology, & innovation, etc. The joint workshop features a comprehensive agenda, including keynotes from leading experts, oral presentations showcasing cutting-edge research, and poster sessions for in-depth discussions. The primary topics covered in the proceedings encompass the methodologies and applications of entity extraction, as well as the convergence of AI and informetrics, to drive advancements in these fields.