Explore the world of recommendation systems for Digital Out of Home (DOOH) advertising in this 32-minute talk by Nataliya Portman, Senior Data Scientist at Cineplex Digital Media. Dive into the challenges and strategies of reaching the right audiences with financial products and services through networks of digital screens. Learn about a probabilistic modeling approach developed at CDM and how it drives decision-making for content selection and placement. Discover the differences between online and DOOH content, content categorization techniques, and data sources used. Gain insights into geographic audience representation, the workings of Flex SmartEngine, and the use of PowerBI for model insights. Understand the challenges of backend automation and methods for measuring recommended content performance in the DOOH advertising landscape.