Orestis
Papakyriakopoulos

Profile

Orestis has a master's degree in civil engineering from the National Technical University of Athens and a master’s degree in philosophy of science and technology from the Technical University of Munich. He received a Ph.D. in computer science with a focus in computational social science from the Technical University of Munich. In 2019-20 he was a visiting scholar at the Massachusetts Institute of Technology’s Center for Civic Media, where he used natural language processing methods to evaluate media ecosystems. In 2020-22 Orestis was a postdoctoral research associate at the Center for Information Technology Policy at Princeton University studying issues of algorithmic fairness, platform design & tech policy.

Message

My research showcases political issues and provides ideas, frameworks, and practical solutions towards just, inclusive and participatory socio-algorithmic ecosystems through the application of data-intensive algorithms and social theories. At Sony AI, I focus on understanding, quantifying, and mitigating algorithmic biases and harms in natural and spoken language processing technologies. My goal is to create algorithmic solutions that empower users and promote civic values.

Publications

Augmented data sheets for speech datasets and ethical decision-making

FaccT, 2023
Orestis Papakyriakopoulos, Anna Seo Gyeong Choi*, William Thong, Dora Zhao, Jerone Andrews, Rebecca Bourke, Alice Xiang, Allison Koenecke*

Human-centric image datasets are critical to the development of computer vision technologies. However, recent investigations have foregrounded significant ethical issues related to privacy and bias, which have resulted in the complete retraction, or modification, of several …

A Reflection on How Cross-Cultural Perspectives on the Ethics of Facial Analysis AI Can Inform EU Policymaking

EWAF, 2023
Chiara Ullstein*, Severin Engelmann*, Orestis Papakyriakopoulos, Jens Grossklags*

The EU AI Act proposal addresses, among other applications, AI systems that enable facial classification and emotion recognition. As part of previous work, we have investigated how citizens deliberate about the validity of AI-based facial classifications in the advertisement…

Upvotes? Downvotes? No Votes? Understanding the relationship between reaction mechanisms and political discourse on Reddit

CHI, 2023
Orestis Papakyriakopoulos, Severin Engelmann*, Amy Winecoff*

A significant share of political discourse occurs online on social media platforms. Policymakers and researchers try to understand the role of social media design in shaping the quality of political discourse around the globe. In the past decades, scholarship on political di…

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