This working package aims to rethink the CMS data acquisition system allowing the CMS physics program to operate over all the collisions produced by the LHC. This is achieved through the High-Level Trigger (HLT) Real-time Reconstruction Revolution (R³) and a novel L1-trigger scouting stream. These goals are achieved by mixing traditional physics-inspired algorithms with cutting-edge AI solutions and leveraging synergy between CMS physicists and data scientists. Proof-of-concept R&D projects on these activities have already established the validity of the ideas behind the project tasks, which will move the start of the art even further into HL-LHC.

WP3 is composed of a range of specific interdisciplinary tasks connecting different activities within the CMS experiment and other project tasks.