Research Interests

    Human Computer Interaction & Social Sciences

    CSCL, CSCW, ITS, Recommenders, Social Media, User Modeling, Visualization, EDM, Learning Analytics, CS Education, Peer Reviewing, Educational Technology

    Current Research Highlights

    Learning from engaging & meaningful video discussions on Vialogues

    I investigate video and dialogues semantic content modeling; use machine learning technique to detect dialogues learning moments based on their activities. I design topic summary visualizations & visual recommenders.
    EdLab, Teachers College Columbia University

    mSchool

    I investigate the Learner and Community Centered Open Knowledge Discovery and Management platform; conduct learning & teaching behavioral analyses and human computer interaction design activities.
    EdLab, Teachers College Columbia University

    Intelligent support for creating scientifically sound surveys on Survey Sidekick

    I investigate macro- and micro survey structures in helping survey prototyping process. EdLab, Teachers College Columbia University

    Integrating multi-touch interactions for mobile personalized news recommendation
    PhD student: Shuguang Han
    School of Information Sciences, University of Pittsburgh
    Data Visualization Challenges & Implementation
    Partnering with United Nations - Knowledge Management Service
    EuTalk: A virtual therapist & speech assistant for people with communication disabilities.
    Phd students: Szu-Han (Kay) Chen, Erh-Hsuan (Reina) Wang
    School of Health & Rehabilitation Sciences, University of Pittsburgh

    Past Projects

    Progressor+ extends the benefits from Progressor and addresses the problems in personalized and social learning of how to help students to find the most appropriate educational resources and engage them into using these resources. (Android app is available!) more...

    Progressor is a system of personalized visual access to programming problems, which is based on open social user modeling technology and personalized techniques. (Android & iPhone app are available since 2012) more...


    AnnotEx: Community based Example Annotator


    QuizJET: Java Evaluation Toolkit

    CAP: Community Authoring Portal

    Example Recommender

    Peer Review based Collaborative Quiz Authoring Portal

    Java Monopoly: game-based programming language learning


    Academic Services


    COMMITTEE

  • ITS 2014, 12th International Conference on Intelligent Tutoring Systems
    June 5 or 6, 2014, Honolulu, Hawaii, USA. AI Supported Education in Computer Science (AIEDCS)workshop organizer
  • 9th European Conference on Technology Enhanced Learning, ECTEL 2014, PC (Sept 16-19, 2014), Graz , Austria
  • 25th ACM Conference on Hypertext and Social Media (HT 2014), PC (Sept 1-4, 2014), Santiago, Chile
  • The 5th Brazilian WORKSHOP ON SEMANTIC WEB AND EDUCATION (WSWEd 2013)",Campinas, Brazil (November 25 - 30), in conjunction with the Brazilian Congress on Informatics in Education
  • AIED 2013, 16th International Conference on Artificial Intelligence in Education
    July 9 or 13, 2013, Memphis, TN, USA. AI Supported Education in Computer Science (AIEDCS)workshop organizer
  • AIED 2013, 16th International Conference on Artificial Intelligence in Education
    July 9 or 13, 2013, Memphis, TN, USA. Intelligent Support for Learning in Groups (ISLG) Program Committee
  • ITS 2012 11th International Conference on Intelligent Tutoring Systems, June14-18, 2012, Chania, Greece. Intelligent Support for Learning in Groups workshop (PC)
  • ITS 2010 10th International Conference on Intelligent Tutoring Systems, June14-18, 2010, Pittsburgh, USA cspred workshop (workshop organizer)
  • Third Brazilian WORKSHOP ON SEMANTIC WEB AND EDUCATION (WSWEd 2010)",João Pessoa, Brazil (November 28 - 30), in conjunction with the Brazilian Symposium of Informatics in Education
  • ACM 26th Symposium On Applied Computing - Track on Intelligent, Interactive and Innovative Learning environments, March 21-25, 2011, TaiChung, Taiwan (PC)

  • REVIEWER

  • 2014HT, 2014ITS, 2014ECTEL
  • 2013TLT, JCAL,WSWEd 2013
  • 2012LAK, 2012UMAP, 2012EDM, 2012ITS
  • 2011ITS, 2011WI, 2011ECTEL, 2011IJEL, 2011TOEC
  • 2010ITS, 2010ECTEL, 2010E-Learn, 2010CollaborateCom
  • 2009ECTEL
  • 2008E-Learn

    VOLUNTEER

  • 2007E-Learn
  • 2008E-Learn, 2008Hypertext

  • MEMBER

  • PAWS research group (Personalized Adaptive Web Systems) PAWS wiki
  • ACM membership
  • APSCE student membership (Asia-Pacific Society for Computers in Education)




contacts:

EdLab, Teachers College, Columbia University
525 W. 120th Street,
NYC, NY 10027, USA
Email: ih2240 -at- columbia.edu