All Stories

  1. SenCAPTCHA: A Mobile-First CAPTCHA Using Orientation Sensors

    Article • Proceedings of the ACM on Interactive Mobile Wearable and Ubiquitous Technologies, June 2020, ACM (Association for Computing Machinery)

    Yunhe Feng

  2. New Emoji Requests from Twitter Users: When, Where, Why, and What We Can Do About Them

    Article • ACM Transactions on Social Computing, May 2020, ACM (Association for Computing Machinery)

    Yunhe Feng, Wenjun Zhou

  3. The World Wants Mangoes and Kangaroos: A Study of New Emoji Requests Based on Thirty Million Tweets

    Article • May 2019, ACM (Association for Computing Machinery)

    Yunhe Feng

  4. Inferring Correlation between User Mobility and App Usage in Massive Coarse-grained Data Traces

    Article • Proceedings of the ACM on Interactive Mobile Wearable and Ubiquitous Technologies, January 2018, ACM (Association for Computing Machinery)

    Yunhe Feng