A Task Completion Engine to Enhance Search Session Support for Air Traffic Work Tasks. - Yashar Moshfeghi; Raoul Rothfeld; Leif Azzopardi; Peter Triantafillou (ECIR, 2017)

The Prospects of on-demand Urban Air Mobility in Zurich, Switzerland. - Milos Balac; Raoul L. Rothfeld; Sebastian Hörl (ITSC, 2019)

Demand Estimation for Aerial Vehicles in Urban Settings. - Milos Balac; Amedeo Rodi Vetrella; Raoul Rothfeld; Basil Schmid (IEEE Intell. Transp. Syst. Mag., 2019)