Publications

CPSIoTSec 2025 Exploring Multi-User Access Control Design in IoT-assisted In-Home Dementia Care
Patrick Jfremov-Kustov, Weijia He.
Proceedings of The 7th Joint Workshop on CPS & IoT Security and Privacy (CPSIoTSec 2025).

PETS 2025 Help Me Help You: Privacy Considerations for Third Party IoT Device Repair
Nathan Reitinger, Weijia He, Chelsea Bruno, Susan Landau, Carl A. Gunter, Mounib Khanafer, Ravindra Mangar, Denise Anthony
Proceedings on Privacy Enhancing Technologies Symposium (PETS 2025).

CHI 2025 How Humans Communicate Programming Tasks in Natural Language and Implications For End-User Programming with LLMs
Madison Pickering, Helena Williams, Alison Gan, Weijia He, Hyojae Park, Francisco Piedrahita Velez, Michael L. Littman, Blase Ur
Proceedings of the ACM SIGCHI Conference on Human Factors in Computing Systems (CHI 2025).

IMWUT/UbiComp 2024 Moat: Adaptive Inside/Outside Detection System for Smart Homes
Chixiang Wang, Weijia He, Timothy Pierson, and David Kotz
Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT 2024), Volume 8, Issue 4.

SOUPS 2024 Well-intended but half-hearted: Hosts’ consideration of guests’ privacy using smart devices on rental properties
Sunyup Park, Weijia He, Elmira Deldari, Pardis Emami-Naeini, Danny Yuxing Huan, Jessica Vitak, Yaxing Yao, Michael Zimmer.
Proceedings of the 20th Symposium on Usable Privacy and Security (SOUPS 2024).

EuroS&P 2024 Distinguished Paper Award Runner-Up Can Allowlists Capture the Variability of Home IoT Device Network Behavior?
Weijia He, Kevin Bryson, Ricardo Calderon, Vijay Prakash, Nick Feamster, Danny Yuxing Huang, Blase Ur.
Proceedings of the 9th IEEE European Symposium on Security and Privacy (EuroS&P 2024).

PETS 2024 Contextualizing Interpersonal Data Sharing in Smart Homes
Weijia He, Nathan Reitinger, Atheer Almogbil, Yi-Shyuan Chiang, Timothy Pierson, David Kotz.
Proceedings on Privacy Enhancing Technologies Symposium (PETS 2024).

SafeThings 2024 Device Discovery in the Smart Home Environment
Mounib Khanafer, Logan Kostick, Chixiang Wang, Wondimu Zegeye, Weijia He, Berkay Kaplan, Nurzaman Ahmed, David Kotz, Timothy J. Pierson
Proceedings of the IEEE Workshop on the Internet of Safe Things (SafeThings 2024). San Francisco, CA, May 2024.

HotMobile 2024 Challenges and Opportunities in Onboarding Smart-Home Devices
Chixiang Wang, Liam Cassidy, Weijia He, Timothy Pierson, David Kotz.
International Workshop on Mobile Computing Systems and Applications (HotMobile 2024).

WPES 2023 The HandyTech’s Coming Between 1 and 4: Privacy Opportunities and Challenges for the IoT Handyperson
Denise Anthony, Carl A. Gunter, Weijia He, Mounib Khanafer, Susan Landau, Ravindra Mangar, Nathan Reitinger.
Workshop on Privacy in the Electronic Society (WPES 2023).

EuroS&P 2021 SoK: Context Sensing for Access Control in the Adversarial Home IoT
Weijia He, Valerie Zhao, Olivia Morkved, Sabeeka Siddiqui, Earlence Fernandes, Josiah Hester, Blase Ur.
Proceedings of the 6th IEEE European Symposium on Security and Privacy (EuroS&P 2021).

IMWUT/UbiComp 2020 Trace2TAP: Synthesizing Trigger-Action Programs From Traces of Behavior
Lefan Zhang, Weijia He, Olivia Morkved, Valerie Zhao, Michael L. Littman, Shan Lu, Blase Ur.
Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies 4, 3, Article 104 (IMWUT/UbiComp 2020). Online, September 2020.

ICSE 2019 AutoTap: Synthesizing and Repairing Trigger-Action Programs Using LTL Properties
Lefan Zhang, Weijia He, Jesse Martinez, Noah Brackenbury, Shan Lu, Blase Ur
Proceedings of the 41st ACM/IEEE International Conference on Software Engineering (ICSE 2019).

CHI 2019 How Users Interpret Bugs in Trigger-Action Programming
Will Brackenbury, Abhimanyu Deora, Jillian Ritchey, Jason Vallee, Weijia He, Guan Wang, Michael L. Littman, Blase Ur
Proceedings of the ACM SIGCHI Conference on Human Factors in Computing Systems (CHI 2019).

SafeThings 2019 When Smart Devices Are Stupid: Negative Experiences Using Home Smart Devices
Weijia He, Jesse Martinez, Roshni Padhi, Lefan Zhang, Blase Ur.
Proceedings of the IEEE Workshop on the Internet of Safe Things (SafeThings 2019).

USENIX Security 2018 Rethinking Access Control and Authentication for the Home Internet of Things (IoT)
Weijia He, Maximilian Golla, Roshni Padhi, Jordan Ofek, Markus Dürmuth, Earlence Fernandes, Blase Ur
Proceedings of the 27th USENIX Security Symposium (USENIX Security 2018).

WSSP 2018 Clap On, Clap Off: Usability of Authentication Methods in the Smart Home
Weijia He, Juliette Hainline, Roshni Padhi, Blase Ur
Proceedings of the Interactive Workshop on the Human Aspect of Smarthome Security and Privacy (WSSP 2018).