TreeQuestion: Assessing Conceptual Learning Outcomes with LLM-Generated Multiple-Choice Questions
Zirui Cheng, Jingfei Xu, Haojian Jin (CSCW'24).
[Preprint]

Redesigning Privacy with User Feedback: The Case of Zoom Attendee Attention Tracking
Tony W Li*, Arshia Arya*, Haojian Jin (CHI'24).
[Preprint]

Predicting Users' Privacy Concerns using Contextual Labels and Personal Preferences
Yaqing Yang, Tony W Li, Haojian Jin (CHI'24).
[Preprint]

Peekaboo: A Hub-Based Approach to Enable Transparency in Data Processing within Smart Homes
Haojian Jin, Gram Liu, David Hwang, Swarun Kumar, Yuvraj Agarwal, Jason I. Hong (Oakland'22).
[paper] [extended technical report] [1-min teaser video] [presentation slides]
[Stacey on IoT Podcast][ACM TechNews] [Podcast @ RSA Conference ] [CMU CyLab Year-In-Review]

Exploring the Needs of Users for Supporting Privacy-protective Behavior in Smart Homes
Haojian Jin, Boyuan Guo, Rituparna Roychoudhury, Yaxing Yao, Swarun Kumar, Yuvraj Agarwal, Jason Hong (CHI'22).
[paper] [presentation video] [presentation slides]

Lean Privacy Review: Collecting Users' Privacy Concerns of Data Practices at a Low Cost
Haojian Jin, Hong Shen, Mayank Jain, Swarun Kumar, Jason Hong (TOCHI'21).
[paper] [30-sec teaser video] [presentation video] [presentation slides] [try it]

Software Defined Cooking using a Microwave Oven
Haojian Jin, Jingxian Wang, Swarun Kumar, and Jason Hong. (MobiCom '19).
[paper] [presentation] [demo paper] [video]
Featured in ACM GetMobile Research Hightlight
Featured in CACM Research Highlights

MobiPurpose: Inferring the Purposes of Network Traffic in Mobile Apps
Haojian Jin, Minyi Liu, Kevan Dohia, Yuanchun Li, Gaurav Kumar Srivastava, Matthew Fredrikson, Yuvraj Agarwal and Jason Hong. (IMWUT '18 / UbiComp '19).
[paper] [presentation] [data set] [traffic harness tools] [website]

WiSh: Towards a Wireless Shape-aware World using Passive RFIDs
Haojian Jin*, Jingxian Wang*, Zhijian Yang, Swarun Kumar, and Jason Hong (MobiSys '18).
*co-primary authors. [paper] [presentation] [talk video] [project video]

RFWear: Towards Wearable Everyday Body-Frame Tracking using Passive RFIDs.
Haojian Jin, Zhijian Yang, Swarun Kumar, and Jason Hong (IMWUT '17 / UbiComp '18).
[paper] [presentation] [video]
Ubicomp & ISWC 2018 Best Demo Honorable Mention (2/51)

ElasticPlay: Interactive Video Summarization with Dynamic Time Budgets.
Haojian Jin, Yale Song, and Koji Yatani (ACMMM '17).
[paper] [video] [presentation] [live demo]
Oral presentation - top 7%

Corona: Positioning Adjacent Device with Asymmetric Bluetooth Low Energy RSSI Distributions.
Haojian Jin, Cheng Xu, and Kent Lyons (UIST '15).
[paper] [presentation] [video] [open source by ota42y]

Tracko: Ad-hoc Mobile 3D Tracking Using BLE and Inaudible Signals for Cross-Device Interaction.
Haojian Jin, Christian Holz, Kasper Hornbæk (UIST '15).
[paper] [presentation] [video]

ReviewCollage: A Mobile Interface for Direct Comparison Using Online Reviews.
Haojian Jin, Tetsuya Sakai, and Koji Yatani (MobileHCI 2014).
[paper] [presentation] [video]
Best Paper Honorable Mention Award, top 5%

Designing Alternative Representations of Confusion Matrices to Support Non-Expert Public Understanding of Algorithmic Outputs and Performance
Hong Shen, Haojian Jin, Ángel Alexander Cabrera, Adam Perer, Nina Balcan, Jason Hong. (CSCW '20).
[paper]

'I Can't Even Buy Apples If I Don't Use Mobile Pay?' When Mobile Payments Become Infrastructural in China
Hong Shen, Cori Faklaris, Haojian Jin, Laura Dabbish, Jason Hong. (CSCW '20).
[paper]

RFID Tattoo: A Wireless Platform for Speech Recognition
Jingxian Wang, Chengfeng Pan, Haojian Jin, Vaibhav Singh, Jason Hong, Carmel Majidi, Swarun Kumar. (IMWUT '19/UbiComp' 20).
[paper]
Ubicomp & ISWC 2020 Best Long Wearable Paper

Sozu: Self-Powered Radio Tags for Building-Scale Activity Sensing
Yang Zhang, Yasha Iravantchi, Haojian Jin, Swarun Kumar, Chris Harrison. (UIST '19).
[paper]

Pushing the Range Limits of Commercial Passive RFIDs
Jingxian Wang, Junbo Zhang, Rajarshi Saha, Haojian Jin, Swarun Kumar. (NSDI '19).
[paper]

Finding Weather Photos: Community-Supervised Methods for Editorial Curation of Online Sources
David A. Shamma, Lyndon Kennedy, Jia Li, Bart Thomee, Haojian Jin, Jeff Yuan (CSCW'16).
[paper] [Yahoo Product Release]

The Cohort and Speechify Libraries for Rapid Construction of Speech Enabled Applications
Tejaswi Kasturi, Haojian Jin, Aasish Pappu, Sungjin Lee, Beverly Harrison, Ramana Murthy, Amanda Stent (SIGDIAL 2015)
[paper]

Mining Touch Interaction Data in Mobile Search
Qi Guo, Haojian Jin, Dmitry Lagun, Shuai Yuan, and Eugene Agichtein (SIGIR 2013).
[SIGIR '13 paper] [SIGCHI '13 EA]
ACM Computing Reviews "Best of 2013" Notable Articles