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Faculty Candidate Seminar

Learnersourcing: Improving Video Learning with Large-Scale Interaction Data

Juho KimPhD CandidateMIT
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Millions of learners today are watching videos on online platforms, such as Khan Academy, YouTube, Coursera, and edX, to take courses and master new skills. But existing video interfaces are not designed to support learning, limited by lack of information about learners' engagement and content itself. I take a data-driven approach to address this challenge, using large-scale learning interaction data to dynamically improve video content and interfaces. Specifically, my research introduces learnersourcing, a form of crowdsourcing in which learners collectively contribute novel content for future learners while engaging in a meaningful learning experience themselves. In this talk, I will present learnersourcing applications designed for massive open online course videos and how-to tutorial videos, where learners' collective activities 1) highlight points of confusion or importance in a video, 2) extract a solution structure from a tutorial, and 3) improve the navigation experience for future learners. I will then discuss how the idea of learnersourcing can generalize to broader educational and social contexts. My research demonstrates how learnersourcing can enable more interactive, collaborative, and data-driven learning.
Juho Kim [http://juhokim.com/] is a Ph.D. candidate at MIT CSAIL. His research interests lie in human-computer interaction, learning at scale, and crowdsourcing. He builds interactive systems powered by large-scale data from users, in which users' natural and incentivized activities dynamically improve content, interaction, and experience. He earned his M.S. in Computer Science from Stanford University, and B.S. in Computer Science and Engineering from Seoul National University. During his graduate studies, he has worked at Microsoft Research, edX, Adobe's Creative Technologies Lab, and IBM Research. He is a recipient of six paper awards from CHI and HCOMP, and the Samsung Fellowship.

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