Machine-Learning-Based Soft Sensors for LPG Distillation Columns Quality Monitoring: Comparing Strategies for Zero-Inflated Data. - Joze M. Rozanec; Beno Sircelj; Melike K. Onat; Nikolaos Sarantinoudis; George Arampatzis; Blaz Fortuna; Dunja Mladenic (ICECET, 2023)