Panagiotis Papadopoulos

2025

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Welcome to the Dark Side: Analyzing the Revenue Flows of Fraud in the Online Ad Ecosystem.
Emmanouil Papadogiannakis|Nicolas Kourtellis|Panagiotis Papadopoulos|Evangelos P. Markatos
Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025- 2 May 2025
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Before & After: The Effect of EU's 2022 Code of Practice on Disinformation.
Emmanouil Papadogiannakis|Panagiotis Papadopoulos|Nicolas Kourtellis|Evangelos P. Markatos
Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025- 2 May 2025

2024

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Ad Laundering: How Websites Deceive Advertisers into Rendering Ads Next to Illicit Content.
Emmanouil Papadogiannakis|Panagiotis Papadopoulos|Evangelos P. Markatos|Nicolas Kourtellis
Companion Proceedings of the ACM on Web Conference 2024, WWW 2024, Singapore, Singapore, May 13-17, 2024

2023

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The Hitchhiker's Guide to Facebook Web Tracking with Invisible Pixels and Click IDs.
Paschalis Bekos|Panagiotis Papadopoulos|Evangelos P. Markatos|Nicolas Kourtellis
Proceedings of the ACM Web Conference 2023, WWW 2023, Austin, TX, USA, 30 April 2023 - 4 May 2023
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Who Funds Misinformation? A Systematic Analysis of the Ad-related Profit Routines of Fake News Sites.
Emmanouil Papadogiannakis|Panagiotis Papadopoulos|Evangelos P. Markatos|Nicolas Kourtellis
Proceedings of the ACM Web Conference 2023, WWW 2023, Austin, TX, USA, 30 April 2023 - 4 May 2023

2022

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Leveraging Google's Publisher-Specific IDs to Detect Website Administration.
Emmanouil Papadogiannakis|Panagiotis Papadopoulos|Evangelos P. Markatos|Nicolas Kourtellis
WWW '22: The ACM Web Conference 2022, Virtual Event, Lyon, France, April 25 - 29, 2022

2021

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Towards Realistic and ReproducibleWeb Crawl Measurements.
Jordan Jueckstock|Shaown Sarker|Peter Snyder|Aidan Beggs|Panagiotis Papadopoulos|Matteo Varvello|Benjamin Livshits|Alexandros Kapravelos
WWW '21: The Web Conference 2021, Virtual Event / Ljubljana, Slovenia, April 19-23, 2021.
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User Tracking in the Post-cookie Era: How Websites Bypass GDPR Consent to Track Users.
Emmanouil Papadogiannakis|Panagiotis Papadopoulos|Nicolas Kourtellis|Evangelos P. Markatos
WWW '21: The Web Conference 2021, Virtual Event / Ljubljana, Slovenia, April 19-23, 2021.

2020

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Stop tracking me Bro! Differential Tracking of User Demographics on Hyper-Partisan Websites.
Pushkal Agarwal|Sagar Joglekar|Panagiotis Papadopoulos|Nishanth Sastry|Nicolas Kourtellis
WWW '20: The Web Conference 2020, Taipei, Taiwan, April 20-24, 2020
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Keeping out the Masses: Understanding the Popularity and Implications of Internet Paywalls.
Panagiotis Papadopoulos|Peter Snyder|Dimitrios Athanasakis|Benjamin Livshits
WWW '20: The Web Conference 2020, Taipei, Taiwan, April 20-24, 2020
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Filter List Generation for Underserved Regions.
Alexander Sjösten|Peter Snyder|Antonio Pastor|Panagiotis Papadopoulos|Benjamin Livshits
WWW '20: The Web Conference 2020, Taipei, Taiwan, April 20-24, 2020

2019

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Cookie Synchronization: Everything You Always Wanted to Know But Were Afraid to Ask.
Panagiotis Papadopoulos|Nicolas Kourtellis|Evangelos P. Markatos
The World Wide Web Conference, WWW 2019, San Francisco, CA, USA, May 13-17, 2019

2018

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The Cost of Digital Advertisement: Comparing User and Advertiser Views.
Panagiotis Papadopoulos|Nicolas Kourtellis|Evangelos P. Markatos
Proceedings of the 2018 World Wide Web Conference on World Wide Web, WWW 2018, Lyon, France, April 23-27, 2018

2017

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The Long-Standing Privacy Debate: Mobile Websites vs Mobile Apps.
Elias P. Papadopoulos|Michalis Diamantaris|Panagiotis Papadopoulos|Thanasis Petsas|Sotiris Ioannidis|Evangelos P. Markatos
Proceedings of the 26th International Conference on World Wide Web, WWW 2017, Perth, Australia, April 3-7, 2017