Piotr Sapiezynski

38 papers A* 3A 3C 1Journal 27Unranked 4
YearRankTypeTitle / Venue / Authors
2024 — conf
Comprehensively Auditing the TikTok Mobile App.
WWW (Companion Volume)
Levi Kaplan, Piotr Sapiezynski
2024 J jnl
Data Deserts and Black Boxes: The Impact of Socio-Economic Status on Consumer Profiling.
Manag. Sci.
Nico Neumann, Catherine E. Tucker, Levi Kaplan, Alan Mislove, Piotr Sapiezynski
2024 — conf
Fairness in Online Ad Delivery.
FAccT
Joachim Baumann, Piotr Sapiezynski, Christoph Heitz, Aniko Hannak
2024 J jnl
On the Use of Proxies in Political Ad Targeting.
CoRR
Piotr Sapiezynski, Levi Kaplan, Alan Mislove, Aleksandra Korolova
2024 J jnl
On the Use of Proxies in Political Ad Targeting.
Proc. ACM Hum. Comput. Interact.
Piotr Sapiezynski, Levi Kaplan, Alan Mislove, Aleksandra Korolova
2023 J jnl
Detrimental network effects in privacy: A graph-theoretic model for node-based intrusions.
Patterns
Florimond Houssiau, Piotr Sapiezynski, Laura Radaelli, Erez Shmueli, Yves-Alexandre de Montjoye
2023 A* conf
Problematic Advertising and its Disparate Exposure on Facebook.
USENIX Security Symposium
Muhammad Ali, Angelica Goetzen, Alan Mislove, Elissa M. Redmiles, Piotr Sapiezynski
2023 J jnl
Problematic Advertising and its Disparate Exposure on Facebook.
CoRR
Muhammad Ali, Angelica Goetzen, Alan Mislove, Elissa M. Redmiles, Piotr Sapiezynski
2022 C conf
Algorithms that "Don't See Color": Measuring Biases in Lookalike and Special Ad Audiences.
AIES
Piotr Sapiezynski, Avijit Ghosh, Levi Kaplan, Aaron Rieke, Alan Mislove
2022 A conf
Measurement and analysis of implied identity in ad delivery optimization.
IMC
Levi Kaplan, Nicole Gerzon, Alan Mislove, Piotr Sapiezynski
2021 A conf
Ad Delivery Algorithms: The Hidden Arbiters of Political Messaging.
WSDM
Muhammad Ali, Piotr Sapiezynski, Aleksandra Korolova, Alan Mislove, Aaron Rieke
2020 J jnl
Evolution of Digital Advertising Strategies during the 2020 US Presidential Primary.
CoRR
NaLette Brodnax, Piotr Sapiezynski
2020 J jnl
The Fallibility of Contact-Tracing Apps.
CoRR
Piotr Sapiezynski, Johanna Pruessing, Vedran Sekara
2019 J jnl
Ad Delivery Algorithms: The Hidden Arbiters of Political Messaging.
CoRR
Muhammad Ali, Piotr Sapiezynski, Aleksandra Korolova, Alan Mislove, Aaron Rieke
2019 J jnl
Algorithms that "Don't See Color": Comparing Biases in Lookalike and Special Ad Audiences.
CoRR
Piotr Sapiezynski, Avijit Ghosh, Levi Kaplan, Alan Mislove, Aaron Rieke
2019 A* conf
Auditing Offline Data Brokers via Facebook's Advertising Platform.
WWW
Giridhari Venkatadri, Piotr Sapiezynski, Elissa M. Redmiles, Alan Mislove, Oana Goga, Michelle L. Mazurek, Krishna P. Gummadi
2019 J jnl
Discrimination through Optimization: How Facebook's Ad Delivery Can Lead to Biased Outcomes.
Proc. ACM Hum. Comput. Interact.
Muhammad Ali, Piotr Sapiezynski, Miranda Bogen, Aleksandra Korolova, Alan Mislove, Aaron Rieke
2019 J jnl
Discrimination through optimization: How Facebook's ad delivery can lead to skewed outcomes.
CoRR
Muhammad Ali, Piotr Sapiezynski, Miranda Bogen, Aleksandra Korolova, Alan Mislove, Aaron Rieke
2019 J jnl
Investigating sources of PII used in Facebook's targeted advertising.
Proc. Priv. Enhancing Technol.
Giridhari Venkatadri, Elena Lucherini, Piotr Sapiezynski, Alan Mislove
2019 J jnl
Quantifying the Impact of User Attention on Fair Group Representation in Ranked Lists.
CoRR
Piotr Sapiezynski, Wesley Zeng, Ronald E. Robertson, Alan Mislove, Christo Wilson
2019 — conf
Quantifying the Impact of User Attentionon Fair Group Representation in Ranked Lists.
WWW (Companion Volume)
Piotr Sapiezynski, Wesley Zeng, Ronald E. Robertson, Alan Mislove, Christo Wilson
2018 J jnl
Academic performance and behavioral patterns.
EPJ Data Sci.
Valentin Kassarnig, Enys Mones, Andreas Bjerre-Nielsen, Piotr Sapiezynski, David Dreyer Lassen, Sune Lehmann
2018 J jnl
Offline Behaviors of Online Friends.
CoRR
Piotr Sapiezynski, Arkadiusz Stopczynski, David Kofoed Wind, Jure Leskovec, Sune Lehmann
2018 J jnl
Quantifying Surveillance in the Networked Age: Node-based Intrusions and Group Privacy.
CoRR
Laura Radaelli, Piotr Sapiezynski, Florimond Houssiau, Erez Shmueli, Yves-Alexandre de Montjoye
2017 J jnl
Academic Performance and Behavioral Patterns.
CoRR
Valentin Kassarnig, Enys Mones, Andreas Bjerre-Nielsen, Piotr Sapiezynski, David Dreyer Lassen, Sune Lehmann
2017 J jnl
Evidence of Complex Contagion of Information in Social Media: An Experiment Using Twitter Bots.
CoRR
Bjarke Mønsted, Piotr Sapiezynski, Emilio Ferrara, Sune Lehmann
2017 J jnl
Inferring Person-to-person Proximity Using WiFi Signals.
Proc. ACM Interact. Mob. Wearable Ubiquitous Technol.
Piotr Sapiezynski, Arkadiusz Stopczynski, David Kofoed Wind, Jure Leskovec, Sune Lehmann
2017 J jnl
Measuring Personalization of Web Search.
CoRR
Anikó Hannák, Piotr Sapiezynski, Arash Molavi Khaki, David Lazer, Alan Mislove, Christo Wilson
2017 J jnl
The Role of Gender in Social Network Organization.
CoRR
Ioanna Psylla, Piotr Sapiezynski, Enys Mones, Sune Lehmann
2016 J jnl
Evidence for a Conserved Quantity in Human Mobility.
CoRR
Laura Alessandretti, Piotr Sapiezynski, Sune Lehmann, Andrea Baronchelli
2016 J jnl
Inferring Person-to-person Proximity Using WiFi Signals.
CoRR
Piotr Sapiezynski, Arkadiusz Stopczynski, David Kofoed Wind, Jure Leskovec, Sune Lehmann
2015 A conf
Opportunities and Challenges in Crowdsourced Wardriving.
Internet Measurement Conference
Piotr Sapiezynski, Radu Gatej, Alan Mislove, Sune Lehmann
2015 J jnl
Temporal Fidelity in Dynamic Social Networks.
CoRR
Arkadiusz Stopczynski, Piotr Sapiezynski, Alex Pentland, Sune Lehmann
2015 J jnl
Tracking Human Mobility using WiFi signals.
CoRR
Piotr Sapiezynski, Arkadiusz Stopczynski, Radu Gatej, Sune Lehmann
2014 J jnl
Measuring large-scale social networks with high resolution. WORKING PAPER.
CoRR
Arkadiusz Stopczynski, Vedran Sekara, Piotr Sapiezynski, Andrea Cuttone, Jakob Eg Larsen, Sune Lehmann
2013 J jnl
Crowds, Bluetooth, and Rock-n-Roll. Understanding Music Festival Participant Behavior.
CoRR
Jakob Eg Larsen, Piotr Sapiezynski, Arkadiusz Stopczynski, Morten Mørup, Rasmus Theodorsen
2013 — conf
Crowds, bluetooth, and rock'n'roll: understanding music festival participant behavior.
PDM@ACM Multimedia
Jakob Eg Larsen, Piotr Sapiezynski, Arkadiusz Stopczynski, Morten Mørup, Rasmus Theodorsen
2013 A* conf
Measuring personalization of web search.
WWW
Aniko Hannak, Piotr Sapiezynski, Arash Molavi Kakhki, Balachander Krishnamurthy, David Lazer, Alan Mislove, Christo Wilson