Slump is a workability-related characteristic of concrete mixture. This paper investigates the efficiency of a novel optimizer. namely ant lion optimization (ALO). for fine-tuning of a neural network (NN) in the field of concrete slump prediction. https://www.alarecre.com/Disney-The-Nightmare-Before-Christmas-Lock-Shock-and-Barrel-Art-AirPods-Pro-2nd-Gen-Skin-p101716/