
(2018) "Effects of Social Bots in the Iran-Debate on Twitter" arXiv:1805.10105 Thieltges, A., Papakyriakopoulos, O., Medina Serrano, J.C., Hegelich, S.(2018) "Social Media Report: The 2017 German Federal Elections" TUM University Press Medina Serrano, J.C., Hegelich, S., Shahrezaye, M., Papakyriakopoulos, O.(2018) "Social media and microtargeting: Political data processing and the consequences for Germany" Big Data & Society. Papakyriakopoulos, O., Hegelich, S., Shahrezaye, M., Medina Serrano, J.C.(2019) "Estimating the Political Orientation of Twitter Users in Homophilic Networks" AAI Spring Symposium Shahrezaye, M., Papakyriakopoulos, O., Medina Serrano, J.C., Hegelich, S.(2019) "Distorting Political Communication: The Effect Of Hyperactive Users In Online Social Networks" IEEE Infocom Workshops 2019 Papakyriakopoulos, O., Hegelich, S., Shahrezaye, M., Medina Serrano, J.(2019) "Measuring the Ease of Communication in Bipartite Social Endorsement Networks: A Proxy to Study the Dynamics of Political Polarization" Proceedings of the 10th International Conference on Social Media and Society (2019) "The Rise of Germany's AfD: A Social Media Analysis" 10th International Conference on Social Media and Society Medina Serrano, J.C., Shahrezaye, M., Papakyriakopoulos, O., Hegelich, S.(2020) "Political communication on social media: A tale of hyperactive users and bias in recommender systems" Online Social Networks and Media Papakyriakopoulos, O., Medina Serrano, J.C., Hegelich, S.(2020) "Bias in Word Embeddings" Proceedings of FAT 2020

Papakyriakopoulos, O., Hegelich, S., Medina Serrano, J.C., Marco F."The Political Dashboard: A Tool for Online Political Transparency" (2020) ICWSM Medina Serrano, J.C., Papakyriakopoulos, O., Shahrezaye, M., Hegelich, S.

"Exploring Political Ad Libraries for Online Advertising Transparency: Lessons from Germany and the 2019 European Elections" (2020) 11th International Conference on Social Media and Society

"Dancing to the Partisan Beat: A First Analysis of Political Communication on TikTok" (2020) Web Science
