- RAIS MSCA ITN workshop: "Characterizing Abhorrent, Misinformative, and Mistargeted Content on YouTube", Crete Sept. 2021, pptx
- University of Lausanne lecture series: ““It is just a flu”: Assessing the Effect of Watch History on YouTube’s Pseudoscientific Video Recommendations”, December 2020. pptx
- Dagstuhl workshop on Cybersafety: from Deception to Aggression: “Characterizing Disturbing and Reactionary content on YouTube”, July 2019. pptx
- MSCA Artificial Intelligence Cluster: “Cybersafety Threats and Intelligent Parental Advice Tools for Protection in Social Networks”, December 2019. pptx
- KAUST, “Fusing Workload Scalability with Strong Consistency for Transactional Databases”, November 2018. pptx
- UCL Seminar, “The ENCASE project: a user-centric approach for the protection of minors”, October 2017.
- International Tyrrhenian Workshop on Digital Communication “Towards a Smart and Secure Future”, A Federated Architecture for Attribute-based and Behavioral Authentication as a High Assurance Service, September 2017, Palermo. pptx
- Dagstuhl workshop on social network analysis. “SybilRank: Aiding the Detection of Fake accounts in Large Scale Social Online Services”, October 2012.
- Columbia University. “Inter-datacenter Bulk Transfers with NetStitcher”, Aug. 2011. pptx