Trends on Engineering Interactive Systems: An Overview of Works Presented in Workshops at EICS 2019. Proceedings of the ACM SIGCHI Symposium on Engineering Interactive Computing Systems, 22:1--22:6, ACM, New York, NY, USA, 2019. [PUMA: HCI enabling-technologies engineering-interactive-systems multimodal-interaction multiple-stakeholders myown smart-environments smart-objects] URL