As part of the TRANSMIXR work on metrics and evaluation, the research carried out by the Distributed and Interactive Systems (DIS) group from Centrum Wiskunde & Informatica (CWI) has resulted in two contributions to ACM Multimedia Conference (ACM MM 2023). ACM Multimedia is the worldwide premier conference and a key world event to display scientific achievements and innovative industrial products in the multimedia field. It is the flagship of the ACM Special Interest Group on Multimedia (ACM SIGMM) which provides a forum for researchers, engineers, and practitioners in all aspects of multimedia computing, communication, storage, and applications. This year, ACM MM was held in Ottawa, Canada from October 29th to November 2nd, 2023.