All Stories

  1. PULSE: A Screenshot-Based Labeling Tool for Investigating Smartphone Behavior, Intent, and Perception

    Article • October 2025, ACM (Association for Computing Machinery)

    Yung-Ju Chang

  2. Designing Human-in-the-Loop for Mobile Intelligent Notification Systems: Exploring User Preferences for Timing and Form

    Article • October 2025, ACM (Association for Computing Machinery)

    Yung-Ju Chang

  3. From Overwhelmed to Overview: Understanding Smartphone Users' Preferences and Expectations in Relieving Notification Overload via Text Summarization MHCI011

    Article • Proceedings of the ACM on Human-Computer Interaction, September 2025, ACM (Association for Computing Machinery)

    Yung-Ju Chang

  4. Verifying or Clarifying? User Preferences for Mobile Crowdsourcing in Response to Seemingly Inconsistent Sensor Data

    Article • Proceedings of the ACM on Human-Computer Interaction, May 2025, ACM (Association for Computing Machinery)

    仲恩 劉, Yung-Ju Chang

  5. "I Want Lower Tone for Work-Related Notifications": Exploring the Effectiveness of User-Assigned Notification Alerts in Improving User Speculation of and Attendance to Mobile Notifications

    Article • Proceedings of the ACM on Human-Computer Interaction, September 2024, ACM (Association for Computing Machinery)

    Yung-Ju Chang

  6. Investigating User-perceived Impacts of Contextual Factors on Opportune Moments

    Article • Proceedings of the ACM on Human-Computer Interaction, September 2024, ACM (Association for Computing Machinery)

    Yung-Ju Chang

  7. “I Prefer Regular Visitors to Answer My Questions”: Users’ Desired Experiential Background of Contributors for Location-based Crowdsourcing Platform

    Article • May 2024, ACM (Association for Computing Machinery)

    Yung-Ju Chang

  8. Investigating Users' Inclination of Leveraging Mobile Crowdsourcing to Obtain Verifying vs. Supplemental Information when Facing Inconsistent Smat-city Sensor Information

    Article • October 2023, ACM (Association for Computing Machinery)

    Yung-Ju Chang, 仲恩 劉

  9. Automatic, Manual, or Hybrid? A Preliminary Investigation of Users' Perception of Features for Supporting Notification Management

    Article • October 2023, ACM (Association for Computing Machinery)

    Yung-Ju Chang

  10. NotiSummary: Exploring the Potential of AI-Driven Text Summarization on Smartphone Notification Management

    Article • October 2023, ACM (Association for Computing Machinery)

    Yung-Ju Chang

  11. AdJustMoment: Customize Your Ad Watching Experience

    Article • October 2023, ACM (Association for Computing Machinery)

    Yung-Ju Chang, Li-Lun Lin

  12. Scanning or Simply Unengaged in Reading? Opportune Moments for Pushed News Notifications and Their Relationship with Smartphone Users' Choice of News-reading Modes

    Article • Proceedings of the ACM on Human-Computer Interaction, September 2023, ACM (Association for Computing Machinery)

    Yung-Ju Chang

  13. Get Distracted or Missed the Stop? Investigating Public Transit Passengers’ Travel-Based Multitasking Behaviors, Motives, and Challenges

    Article • April 2023, ACM (Association for Computing Machinery)

    Yung-Ju Chang

  14. Not Merely Deemed as Distraction: Investigating Smartphone Users’ Motivations for Notification-Interaction

    Article • April 2023, ACM (Association for Computing Machinery)

    Yung-Ju Chang

  15. Are You Killing Time? Predicting Smartphone Users’ Time-killing Moments via Fusion of Smartphone Sensor Data and Screenshots

    Article • April 2023, ACM (Association for Computing Machinery)

    Yung-Ju Chang

  16. I Like Their Autonomy and Closeness to Me: Uncovering the Perceived Appeal of Social-Media Influencers

    Article • April 2023, ACM (Association for Computing Machinery)

    Yung-Ju Chang

  17. Multiple Device Users’ Actual and Ideal Cross-Device Usage for Multi-Stage Notification-Interactions: An ESM Study Addressing the Usage Gap and Impacts of Device Context

    Article • April 2023, ACM (Association for Computing Machinery)

    Yung-Ju Chang

  18. CAMPUS: A University Crowdsourcing Platform for Reporting Facility, Status Update, and Problem Area Information

    Article • November 2022, ACM (Association for Computing Machinery)

    Yung-Ju Chang

  19. This is Why I Like Them: Exploring the Perceived Appeal of Social Media Influencers vs. Traditional Mass Media

    Article • November 2022, ACM (Association for Computing Machinery)

    Yung-Ju Chang

  20. Investigating Correction Effects of Different Modalities for Misinformation about COVID-19

    Article • November 2022, ACM (Association for Computing Machinery)

    Yung-Ju Chang

  21. Screenshot Journey Auditor: A Tool to Support Analysis of Smartphone Media Consumption Journey Using Screenshot Data

    Article • November 2022, ACM (Association for Computing Machinery)

    Yung-Ju Chang

  22. A Lab-Based Investigation of Reaction Time and Reading Performance using Different In-Vehicle Reading Interfaces during Self-Driving

    Article • September 2022, ACM (Association for Computing Machinery)

    Yung-Ju Chang

  23. Predicting Opportune Moments to Deliver Notifications in Virtual Reality

    Article • April 2022, ACM (Association for Computing Machinery)

    Yung-Ju Chang

  24. Why Did You/I Read but Not Reply? IM Users’ Unresponded-to Read-receipt Practices and Explanations of Them

    Article • April 2022, ACM (Association for Computing Machinery)

    Yung-Ju Chang

  25. Because I’m Restricted, 2 – 4 PM Unable to See Messages: Exploring Users’ Perceptions and Likely Practices around Exposing Attention Management Use on IM Online Status

    Article • April 2022, ACM (Association for Computing Machinery)

    Yu-Ling Chou, Yung-Ju Chang

  26. PotteryGo: A Virtual Pottery Making Training System

    Article • IEEE Computer Graphics and Applications, March 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Yung-Ju Chang