Research

Publications
Don’t Let Netflix Drive the Bus: User’s Sense of Agency Over Time and Content Choice on Netflix
B. Schaffner, A. Stefanescu, O. Campili, M. Chetty
To appear at CSCW 2023.
[preprint]

Understanding Account Deletion and Relevant Dark Patterns On Social Media
B. Schaffner, N. Lingareddy, and M. Chetty 
2022 ACM Conference On Computer-Supported Cooperative Work And Social Computing (CSCW 2022). 
[pdf][link][Conference Talk]

Exploring Means to Enhance the Efficiency of GPU Bitmap Index Query Processing
B. Tran, B. Schaffner, J. Myre, J. Sawin and D. Chiu
2020 Data Science and Engineering Journal (DSE). 
[pdf] [link]

Increasing the Efficiency of GPU Bitmap Index Query Processing
B. Tran, B. Schaffner, J. Myre, J. Sawin and D. Chiu
DASFAA 2020: International Conference on Database Systems for Advanced Applications.
[pdf] [link]

Smartphones as Alternative Cloud Computing Engines: Benefits and Trade-offs
B. Schaffner, J. Sawin and J. Myre
2018 IEEE 6th International Conference on Future Internet of Things and Cloud (FiCloud). 
[pdf] [link]
Preprints and Work in Submission
A First Look at the Consolidation of DNS and Web Hosting Providers
S. Wang, K. MacMillan, B. Schaffner, N. Feamster, M. Chetty
October 2021. 
[arXive]
Lightly Reviewed Papers:
Can I Delete My Account?: Dark Patterns In Account Deletion On Social Media
B. Schaffner, N. Lingareddy, and M. Chetty 
CHI 2021 Workshop on What Can CHI Do About Dark Patterns?. 
[pdf] [link]
Talks
CSCW 2022  -  Taipei, Taiwan (Virtual)
Understanding Account Deletion and Relevant Dark Patterns On Social Media.
[Recording].

DAFSAA 2020  -  Jeju, South Korea (Virtual)
Increasing the Efficiency of GPU Bitmap Index Query Processing.
Regulatory Comments
California Privacy Protection Agency
California Consumer Privacy Act Regulations - Public Participation in the Rulemaking Process
M. Chetty, M. Kugler, B. Schaffner, L. Strahilevitz. 
August 2022. [pdf][link]

Federal Trade Commision (FTC)
Digital Advertising Business Guidance Request for Information
Acquisti et al.
August 2022. [pdf][link]

European Data Protection Board (EDPB)
Request for Comments on their "Guidelines 3/2022 on Dark patterns in social media platform interfaces: How to recognise and avoid them"
J. Chanenson, M. Chetty, C. Crum, N. Feamster, J. Holiman, A. Khanna, K. MacMillan, B. Pandey, A. Peterson, Z. Rothstein, B. Schaffner, L. Strahilevitz, J. Yasmeh.  
May 2022. [pdf] [link]

Federal Trade Commission (FTC) 
Request for Comments Regarding Topics to be Discussed at Dark Patterns Workshop 
M. Chetty, N. Lingareddy, B. Schaffner, L. Strahilevitz. 
May 2021. [pdf] [link]