Orestis Papakyriakopoulos

According to our database, Orestis Papakyriakopoulos authored at least 35 papers between 2017 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2024

Mapping the Landscape of Independent Food Delivery Platforms in the United States.

Yuhan Liu, Amna Liaqat, Owen Xingjian Zhang, Mariana Consuelo Fernández Espinosa, Ankhitha Manjunatha, Alexander Yang, Orestis Papakyriakopoulos, Andrés Monroy-Hernández

Proc. ACM Hum. Comput. Interact., 2024

Using Voice Data to Facilitate Depression Risk Assessment in Primary Health Care.

Abhay Goyal, Roger Ho Chun Man, Roy Ka-Wei Lee, Koustuv Saha, Frederick L. Altice, Christian Poellabauer, Orestis Papakyriakopoulos, Lam Yin Cheung, Munmun De Choudhury, Kanica Allagh, Navin Kumar

Proceedings of the Companion Publication of the 16th ACM Web Science Conference, 2024

Position: Measure Dataset Diversity, Don't Just Claim It.

Dora Zhao, Jerone T. A. Andrews, Orestis Papakyriakopoulos, Alice Xiang

Proceedings of the Forty-first International Conference on Machine Learning, 2024

Attitudes Toward Facial Analysis AI: A Cross-National Study Comparing Argentina, Kenya, Japan, and the USA.

Chiara Ullstein, Severin Engelmann, Orestis Papakyriakopoulos, Yuko Ikkatai, Naira Paola Arnez-Jordan, Rose Caleno, Brian Mboya, Shuichiro Higuma, Tilman Hartwig, Hiromi M. Yokoyama, Jens Grossklags

Proceedings of the 2024 ACM Conference on Fairness, Accountability, and Transparency, 2024

Not My Voice! A Taxonomy of Ethical and Safety Harms of Speech Generators.

Wiebke Hutiri, Orestis Papakyriakopoulos, Alice Xiang

Proceedings of the 2024 ACM Conference on Fairness, Accountability, and Transparency, 2024

Resampled Datasets Are Not Enough: Mitigating Societal Bias Beyond Single Attributes.

Yusuke Hirota, Jerone Theodore Alexander Andrews, Dora Zhao, Orestis Papakyriakopoulos, Apostolos Modas, Yuta Nakashima, Alice Xiang

Proceedings of the 2024 Conference on Empirical Methods in Natural Language Processing, 2024

2023

Ethical Considerations for Collecting Human-Centric Image Datasets.

Jerone T. A. Andrews, Dora Zhao, William Thong, Apostolos Modas, Orestis Papakyriakopoulos, Shruti Nagpal, Alice Xiang

CoRR, 2023

Considerations for Ethical Speech Recognition Datasets.

Orestis Papakyriakopoulos, Alice Xiang

Proceedings of the Sixteenth ACM International Conference on Web Search and Data Mining, 2023

Ethical Considerations for Responsible Data Curation.

Jerone Theodore Alexander Andrews, Dora Zhao, William Thong, Apostolos Modas, Orestis Papakyriakopoulos, Alice Xiang

Proceedings of the Advances in Neural Information Processing Systems 36: Annual Conference on Neural Information Processing Systems 2023, 2023

Partisan US News Media Representations of Syrian Refugees.

Keyu Chen, Marzieh Babaeianjelodar, Yiwen Shi, Kamila Janmohamed, Rupak Sarkar, Ingmar Weber, Thomas Davidson, Munmun De Choudhury, Jonathan Huang, Shweta Yadav, Ashiqur R. KhudaBukhsh, Chris T. Bauch, Preslav Nakov, Orestis Papakyriakopoulos, Koustuv Saha, Kaveh Khoshnood, Navin Kumar

Proceedings of the Seventeenth International AAAI Conference on Web and Social Media, 2023

Augmented Datasheets for Speech Datasets and Ethical Decision-Making.

Orestis Papakyriakopoulos, Anna Seo Gyeong Choi, William Thong, Dora Zhao, Jerone Theodore Alexander Andrews, Rebecca Bourke, Alice Xiang, Allison Koenecke

Proceedings of the 2023 ACM Conference on Fairness, Accountability, and Transparency, 2023

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

Chiara Ullstein, Severin Engelmann, Orestis Papakyriakopoulos, Jens Grossklags

Proceedings of the 2nd European Workshop on Algorithmic Fairness, 2023

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

Orestis Papakyriakopoulos, Severin Engelmann, Amy A. Winecoff

Proceedings of the 2023 CHI Conference on Human Factors in Computing Systems, 2023

2022

Partisan US News Media Representations of Syrian Refugees.

Keyu Chen, Marzieh Babaeianjelodar, Yiwen Shi, Kamila Janmohamed, Rupak Sarkar, Ingmar Weber, Thomas Davidson, Munmun De Choudhury, Jonathan Huang, Shweta Yadav, Ashiqur R. KhudaBukhsh, Preslav Ivanov Nakov, Chris T. Bauch, Orestis Papakyriakopoulos, Kaveh Khoshnood, Navin Kumar

CoRR, 2022

Political machines: a framework for studying politics in social machines.

Orestis Papakyriakopoulos

AI Soc., 2022

The Impact of Twitter Labels on Misinformation Spread and User Engagement: Lessons from Trump's Election Tweets.

Orestis Papakyriakopoulos, Ellen P. Goodmann

Proceedings of the WWW '22: The ACM Web Conference 2022, Virtual Event, Lyon, France, April 25, 2022

What People Think AI Should Infer From Faces.

Severin Engelmann, Chiara Ullstein, Orestis Papakyriakopoulos, Jens Grossklags

Proceedings of the FAccT '22: 2022 ACM Conference on Fairness, Accountability, and Transparency, Seoul, Republic of Korea, June 21, 2022

AI-Competent Individuals and Laypeople Tend to Oppose Facial Analysis AI.

Chiara Ullstein, Severin Engelmann, Orestis Papakyriakopoulos, Michel Hohendanner, Jens Grossklags

Proceedings of the Equity and Access in Algorithms, Mechanisms, and Optimization, 2022

How Algorithms Shape the Distribution of Political Advertising: Case Studies of Facebook, Google, and TikTok.

Orestis Papakyriakopoulos, Christelle Tessono, Arvind Narayanan, Mihir Kshirsagar

Proceedings of the AIES '22: AAAI/ACM Conference on AI, Ethics, and Society, Oxford, United Kingdom, May 19, 2022

2021

Qualitative Analysis for Human Centered AI.

Orestis Papakyriakopoulos, Elizabeth Anne Watkins, Amy A. Winecoff, Klaudia Jazwinska, Tithi Chattopadhyay

CoRR, 2021

Beyond Algorithmic Bias: A Socio-Computational Interrogation of the Google Search by Image Algorithm.

Orestis Papakyriakopoulos, Arwa Michelle Mboya

CoRR, 2021

The Media During the Rise of Trump: Identity Politics, Immigration, "Mexican" Demonization and Hate-Crime.

Orestis Papakyriakopoulos, Ethan Zuckerman

Proceedings of the Fifteenth International AAAI Conference on Web and Social Media, 2021

2020

Political communication on social media: A tale of hyperactive users and bias in recommender systems.

Orestis Papakyriakopoulos, Juan Carlos Medina Serrano, Simon Hegelich

Online Soc. Networks Media, 2020

Dancing to the Partisan Beat: A First Analysis of Political Communication on TikTok.

Juan Carlos Medina Serrano, Orestis Papakyriakopoulos, Simon Hegelich

Proceedings of the WebSci '20: 12th ACM Conference on Web Science, 2020

Exploring Political Ad Libraries for Online Advertising Transparency: Lessons from Germany and the 2019 European Elections.

Juan Carlos Medina Serrano, Orestis Papakyriakopoulos, Simon Hegelich

Proceedings of the SMSociety'20: International Conference on Social Media and Society, 2020

The Political Dashboard: A Tool for Online Political Transparency.

Juan Carlos Medina Serrano, Orestis Papakyriakopoulos, Morteza Shahrezaye, Simon Hegelich

Proceedings of the Fourteenth International AAAI Conference on Web and Social Media, 2020

Bias in word embeddings.

Orestis Papakyriakopoulos, Simon Hegelich, Juan Carlos Medina Serrano, Fabienne Marco

Proceedings of the FAT* '20: Conference on Fairness, 2020

2019

Measuring the Ease of Communication in Bipartite Social Endorsement Networks: A Proxy to Study the Dynamics of Political Polarization.

Morteza Shahrezaye, Orestis Papakyriakopoulos, Juan Carlos Medina Serrano, Simon Hegelich

Proceedings of the 10th International Conference on Social Media and Society, 2019

The Rise of Germany's AfD: A Social Media Analysis.

Juan Carlos Medina Serrano, Morteza Shahrezaye, Orestis Papakyriakopoulos, Simon Hegelich

Proceedings of the 10th International Conference on Social Media and Society, 2019

Distorting Political Communication: The Effect Of Hyperactive Users In Online Social Networks.

Orestis Papakyriakopoulos, Morteza Shahrezaye, Juan Carlos Medina Serrano, Simon Hegelich

Proceedings of the IEEE INFOCOM 2019, 2019

Estimating the Political Orientation of Twitter Users in Homophilic Networks.

Morteza Shahrezaye, Orestis Papakyriakopoulos, Juan Carlos Medina Serrano, Simon Hegelich

Proceedings of the Symposium Interpretable AI for Well-being: Understanding Cognitive Bias and Social Embeddedness co-located with Association for the Advancement of Artificial Intelligence 2019 Spring Symposium (AAAI-Spring Symposium 2019), 2019

2018

Social media and microtargeting: Political data processing and the consequences for Germany.

Orestis Papakyriakopoulos, Simon Hegelich, Morteza Shahrezaye, Juan Carlos Medina Serrano

Big Data Soc., July, 2018

Effects of Social Bots in the Iran-Debate on Twitter.

Andree Thieltges, Orestis Papakyriakopoulos, Juan Carlos Medina Serrano, Simon Hegelich

CoRR, 2018

A Democracy Called Facebook? Participation as a Privacy Strategy on Social Media.

Severin Engelmann, Jens Grossklags, Orestis Papakyriakopoulos

Proceedings of the Privacy Technologies and Policy - 6th Annual Privacy Forum, 2018

2017

Social Media und Microtargeting in Deutschland.

Orestis Papakyriakopoulos, Morteza Shahrezaye, Andree Thieltges, Juan Carlos Medina Serrano, Simon Hegelich

Inform. Spektrum, 2017