The Presumed Happiness of the Smiling Pile of Poo - How Emojis are Perceived by People. - Simon André Scherr; Frauke Neugebauer; Yannika Egler; Frank Elberzhager (HCI (13), 2021)

The way it made me feel - Creating and evaluating an in-app feedback tool for mobile apps. - Simon André Scherr; Mher Ter-Tovmasyan; Frauke Neugebauer; Steffen Hupp; Frank Elberzhager (J. Ubiquitous Syst. Pervasive Networks, 2022)