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Thesis Defense: Learnersourcing: Improving Learning with Collective Learner Activity
, MIT CSAIL
Date: Thursday, July 30, 2015
Time: 11:00 AM to 12:00 PM Note: all times are in the Eastern Time Zone
Refreshments: 10:45 AM
Location: 32-G449 Patil/Kiva
Host: Rob Miller, MIT CSAIL
Contact: Juho Kim, email@example.com
Relevant URL: http://juhokim.com/
Speaker URL: None
TALK: Thesis Defense: Learnersourcing: Improving Learning with Collective Learner Activity
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, with limited interactivity and lack of information about learners' engagement and content. Making these improvements requires deep semantic information about video that even state-of-the-art AI techniques cannot fully extract. I take a data-driven approach to address this challenge, using large-scale learning interaction data to dynamically improve video content and interfaces. Specifically, this thesis introduces learnersourcing, a form of crowdsourcing in which learners collectively contribute novel content for future learners while engaging in a meaningful learning experience themselves. I 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. This thesis demonstrates how learnersourcing can enable more interactive, collaborative, and data-driven learning.
Juho Kim 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, Adobes Creative Technologies Lab, and IBM Research. He is a recipient of six paper awards from CHI and HCOMP, and the Samsung Fellowship.
Rob Miller, Krzysztof Gajos, and Frédo Durand
Created by Juho Kim at Tuesday, July 21, 2015 at 4:54 PM.