Yoon choi


I am a Ph.D. Student in the College of Computingat Georgia Tech advised by professor Haesun Park.My research interests include NLP & Visualization,specifically inInteractive Learningand IncrementalLearning.My goal is lớn bridge humans & AI to improvemachine performance by utilizing human expertise.

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TagRuler: Interactive Tool for Span-Level Data Programming by DemonstrationDongjin Choi, Sara Evensen, Çağatay Demiralp, Estevam HruschkaWWW Demo,2021


TopicSifter: Interactive search Space Reduction Through Targeted Topic ModelingHannah Kim, Dongjin Choi, Barry Drake, Alex Endert, Haesun ParkInteractive search Space Reduction Through Targeted Topic ModelingIEEE VIS, 2019


S3CMTF: Fast, accurate, & scalable method for incomplete coupled matrix-tensor factorizationDongjin Choi, Jun-gi Jang, U KangFirst parallel & scalable method for sparse coupled matrix-tensorfactorization (Sparse CMTF) with HOSVD format.PLOS ONE, 2019 

SNeCT: Scalable Network Constrained Tucker Decomposition for Multi-Platform Data ProfilingDongjin Choi, Lee SaelNetwork constrained Tucker decomposition on multi-platform genomic data.IEEE TCBB, 2019 

Zoom-SVD: Fast và Memory Efficient Method for Extracting Key Patterns in an Arbitrary Time RangeJun-gi Jang, Dongjin Choi, Jinhong Jung, U KangProposed a framework to store singular value decomposition (SVD) ofmultiple sensor data block-by-block và efficiently retrieve the SVD of anarbitrary time range query.CIKM, 2018

CTD: Fast, Accurate, and Interpretable Method for Static and Dynamic Tensor DecompositionsJungwoo Lee, Dongjin Choi, Lee SaelFirst interpretable sampling-based dynamic tensor decomposition method.We demonstrate the usefulness of CTD by detecting distributed denial ofservice (DDoS) attack.Received bronze medal from Samsung humantech paper award.PLOS ONE, 2018

Activity Prediction from Sensor Data using Convolutional Neural Networks và an Efficient Compression MethodWoojeong Jin, Dongjin Choi, Youngjin Kim, & U KangIsolated kernel CNN mã sản phẩm for people flow recognition.KIISE, 2018

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Internship Project in Upstage AI,May2021 - Aug 2021

- Boosted OCR Annotation process with the interactive user interface by validating and annotating labels at the same time

Information Visualization term project (CS7450), Aug 2019 - Dec 2019

- Interactively visualized 2019 democratic presidential debate

- TryDemo

People flow recognition for intelligent building systems (IBS), Sovico, Samsung,Sep 2017 - Jan 2018- Implement a pedestrian simulator (watch simulation video)- Proposed isolated kernel CNN model for people flow recognition- Proposed multi-scale skip connected và graph-structured RNN model forpeople flow prediction

Deep learning term project, Seoul Nathional University,Mar 2017 - June 2017

- Term project for graduate deep learning course
Seoul National University,Dec 2015- paper (written in Korean)- 1stplace among 50 teams- The paper proposed a new design for motorcycle helmetshield lớn reduce driver"s air pollutant inhalation- I drew the blueprint for 3-D printing & implemented Arduino experiment code

- U Kang,Dongjin Choi, Jun-Gi Jang- Korean patent number: 10-2017-0158496, (filed on Nov, 24, 2017).

- Seongwon High School, Namwon, Korea, Summer 2015- I served as an advisor and mentor for students of Seongwon high school

- Seoul, Korea, 2011-2012- I was a full-time tutor for high school students in a low-income family- I served more than 300 hours of total

- Hoengseong, Korea, Summer 2011- My high school hosts a summer vacation camp, GLPS, for elite young students- I worked as a TA for English debate

- Rania Mission School, Kolkata, India, Summer 2011- I taught various activities (origami, mathematical quizzes) to lớn young students in the low-income family- I served as the manager for the volunteer work, I managed overall plans và schedules for the work

- Jochiwon, Korea, Winter 2010- I attended the winter school for algorithms & combinatorics as an only high school student

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