Sang-Woo Lee
Biointelligence Lab (BI)
School of Computer Science and Engineering
Seoul National University
Seoul 151-742, Korea
  • Office : #417, Bldg. 138
  • Phone : +82-2-880-5890
  • E-mail : slee (at) bi.snu.ac.kr
Research Interests
  • Deep Learning
  • Lifelong Learning
  • Non-Parametric Bayesian
  • Probabilistic Graphical Models
  • Multi-modal Learning
Selected Publication

[International Journal]
  • Sang-Woo Lee, Chung-Yeon Lee, Dong-Hyun Kwak, Jung-Woo Ha, Jeonghee Kim, and Byoung-Tak Zhang, "Dual-memory neural networks for modeling cognitive activities of humans via wearable sensors," Neural Networks, 92:17-28, 2017. (IF = 5.287) [PDF]
[International Conference]
  • Sang-Woo Lee, Yujung Heo, and Byoung-Tak Zhang, "Answerer in questioner's mind for goal-oriented visual dialogue," arXiv, 2018. [arXiv]
     
  • Sang-Woo Lee, Jin-Hwa Kim, Jaehyun Jun, Jung-Woo Ha, and Byoung-Tak Zhang, "Overcoming catastrophic forgetting by incremental moment matching," In Advances in Neural Information Processing Systems 30 (NIPS 2017), 2017. (Spotlight) [Link] [Code]
     
  • Sungtae Lee, Sang-Woo Lee, Jinyoung Choi, Dong-Hyun Kwak, and Byoung-Tak Zhang, "Micro-objective learning: accelerating deep reinforcement learning through the discovery of continuous subgoal, " arXiv, 2017. [arXiv]
     
  • Jin-Hwa Kim, Sang-Woo Lee, Dong-Hyun Kwak, Min-Oh Heo, Jeonghee Kim, Jung-Woo Ha, and Byoung-Tak Zhang, "Multimodal residual learning for visual QA," In Advances in Neural Information Processing Systems 29 (NIPS 2016), 2016. [PDF]
     
  • Sang-Woo Lee, Chung-Yeon Lee, Dong Hyun Kwak, Jiwon Kim, Jeonghee Kim, and Byoung-Tak Zhang, "Dual memory architectures for lifelong learning of everyday human behaviors," In Proceedings of the 25th International Joint Conference on Artificial Intelligence (IJCAI 2016), 2016. [PDF]
     
  • Sang-Woo Lee, Min-Oh Heo, and Byoung-Tak Zhang, "Online incremental structure learning of sum-product networks," In Proceedings of the 20th International Conference on Neural Information Processing (ICONIP 2013), Lecture Notes in Computer Science, 8227:220-227, 2013. [PDF]
     
[International Workshop]
  • Sang-Woo Lee, Christopher Watkins, and Byoung-Tak Zhang, "Non-parametric Bayesian sum-product networks," ICML Workshop on Learning Tractable Probabilistic Models, 2014. [PDF]
     
[Domestic Journal]
  • Sang-Woo Lee, Cheolho Han, Yujung Heo, Wooyoung Kang, Jaehyun Jun, and Byoung-Tak Zhang, "Analyzing and Solving GuessWhat?!," Journal of the Korea Information Science Society: Software and Applications, accepted, 2018. (Excllent Paper Award on the Conference)
     
  • Sang-Woo Lee, Dong-Hyun Kwak, Kyoung-Woon On, Yujung Heo, Wooyoung Kang, Ceyda Cinarel, and Byoung-Tak Zhang, "Robust scheduling based on daily activity learning by using Markov decision process and inverse reinforcement learning," Journal of the Korean Institute of Information Scientists and Engineers: Computing Practices and Letters, 23(10):599-604, 2017. [PDF] (Excellent Presentation Award on the Conference)
     
  • Sang-Woo Lee, Min-Oh Heo, and Byoung-Tak Zhang, "An online incremental associative feature construction method via maximizing entropy," Journal of the Korea Information Science Society: Software and Applications, 41(3):177-182, 2014. [PDF] (Excellent Paper Award on the Conference)
     
  • Sang-Woo Lee, Min-Oh Heo, and Byoung-Tak Zhang, "Multiswitch hidden Markov models for route and destination prediction of mobile phone users," Journal of the Korean Institute of Information Scientists and Engineers: Computing Practices and Letters, 19(6):351-355, 2013. [PDF] (Excellent Presentation Award on the Conference)
     
International / Domestic Patents

[Issued]
  • Byoung-Tak Zhang, Sang-Woo Lee, and Christopher Watkins, "Computer-executable image searching method using non-parametric Bayesian sum-product networks," South Korea, 1657674, 2016-09-08.
     
  • Byoung-Tak Zhang, Sang-Woo Lee, Min-Oh Heo, and Sang-Min Lee, "Method of predicting real-time moving route of user, server performing the same and storage media storing the same," South Korea, 1639617, 2016-07-08.
     
  • Byoung-Tak Zhang, Sang-Woo Lee, and Min-Oh Heo, "An online incremental associative feature construction method via maximizing entropy and apparatus performing the same," South Korea, 1559376, 2014-02-24.
     
  • Byoung-Tak Zhang, Sang-Woo Lee, and Min-Oh Heo, "Method for providing stable real-time route inference of users using smart terminal and system there of," South Korea, 1446099, 2013-03-04.
     
[Pending]
  • Byoung-Tak Zhang, Sang-Woo Lee, and Dong-Hyun Kwak, "Methods and system of automated scheduling based on wearable sensors," PCT, KR2017/004094, 2017-04-17.
     
  • Byoung-Tak Zhang, Jin-Hwa Kim, Sang-Woo Lee, Donghyun Kwak, Min-Oh Heo, Jung-Woo Ha, and Jeonghee Kim, "Methods and systems for processing data using element-wise multiplication and multimodal residual learning for visual question-answering," South Korea, 10-2016-0138984, 2016-10-25.
Education
  • Han-il High School 19th membership (2005 - 2007)
  • B.S., Computer Science and Engineering / Brain-Mind-Behavior (combined minor), Seoul National University (2008 - 2011)
  • Ph.D., Computer Science and Engineering, Seoul National University (2012 - 2017)
Scholarships
  • Presidential Science Scholarship, Korea Student Aid Foundation (2008 - 2011)
  • Naver PhD Fellowship (2016)
Teaching Experiences
  • TA / Machine Learning / Computer Science and Engineering, Seoul National University (2013, 2016)
  • TA / Machine Learning, Machine Learning Practice / Samsung Advanced Technology Training Institute (2014)
  • TA / Artificial Intelligence / Computer Science and Engineering, Seoul National University (2013)
Last Update: 2018.02.14.