Invited talk at University of Udine (Udine, Italy), 2022.
Invited speaker at the 4th Symposium on Biases in Human Computation and Crowdsourcing (BHCC 2022, virtual), 2022. [video]
NLP/IR seminar at UNED (Madrid, Spain), 2022.
Data Science seminar at The University of Queensland (Brisbane/Meanjin, Australia), 2022.
Guest lecture at Radboud University IR Course, 2021.
Keynote speaker at DSAA’20 Special Session on Fake News, Bots and Trolls (Virtual Conference), 2020.
Invited talk at SEEK (Melbourne, Australia), 2019.
Invited talk at Tsinghua University (Beijing, China), 2018. SIGIR Beijing Chapter activity.
Invited talk at UNED (Madrid, Spain), 2017.
Invited talk at UMass Amherst (Massachusetts, USA), 2016.
Invited talk at Queensland University of Technology, QUT (Brisbane/Meanjin, Australia), 2015.
Invited talk at University of Melbourne (Melbourne/Naarm, Australia), 2015.
Invited talk at Universidad Complutense de Madrid, UCM (Madrid, Spain), 2014.