The 5th Workshop on Extraction and Evaluation of Knowledge Entities from Scientific Documents (EEKE 2024) and the 4th AI + Informetrics (AII2024) will be held in Changchun, China and online at iConference 2024. The goal of these two workshop series (https://eeke-workshop.github.io/ and https://ai-informetrics.github.io/) are to engage the related communities in open problems in the extraction and evaluation of knowledge entities from scientific documents and the modeling and applications of AI + Informetrics for broad interests in science of science, science, technology, & innovation (ST&I), etc. This joint workshop consists of keynotes, oral presentations, and posters, and will attract not only academic researchers and librarians but also decision makers from governments and practical sectors. The website for EEKE-AII 2024 is https://eeke-workshop.github.io/2024/ .