Sungchul Choi Ph.D



E-mail : sc82.choi at
Tel. : +82-31-750-5804
Google Scholar
Last Updated : 8 April, 2019


  • Gachon University, SeongNam, Republic of Korea

    • Assistant Professor at Department of Industrial and Management(Mar. 2014 – Present)
    • Deputy Director at Gachon Advancement of College Education(Oct. 2015 – Dec, 2017)
    • Director at Gachon Open Knowledge Center(Oct. 2015 – Dec, 2017)
  • Samsung Advanced Institute of Technology, Suwon, South Korea

    • Manager at Technology Strategy Group, CTO Office(Mar. 2012 – Jan. 2014)


  • POSTECH, Pohang, Republic of Korea(Mar. 2006 – Feb. 2012)

    • Ph.D. in Department of Industrial and Management Engineering
    • Thesis - An SAO-Based Approach to Patent Analysis for Strategic Technology Planning
  • Handong Global University, Pohang, Republic of Korea(Mar. 2001 – Aug. 2005)

    • B.S. in Management and Computer Science

Project (since 2014)


  • Multilingual Guided Sentence Alignment based Neural machine translation for large-scale patent document translation, Principal Researcher, NRF (Jun. 2018 – May. 2021)


  • Implementation of Core Technology for Korean e-Navigation Services, Researcher, KRISO(Jun. 2016 – Dec. 2018)
  • Development of Media Streaming system with Machine Learning using QoE(Quality of Experience), Co-Principal Researcher, IITP (Apr. 2017 – Mar. 2019)
  • Development of an interactive concierge model based on artificial intelligence capability to support industry and market analysis, Principal Researcher, KISTI (May. 2018 - Nov. 2018)
  • A development of automated technology classification framework for patent document using deep learning approach, Principal Researcher, NRF (Nov. 2015 – Oct. 2018)
  • Analysis of TV viewing patterns through analysis of viewing history data, Principal Researcher, SBS MEDIACRE8 (Oct. 2017 – Dec. 2017)
  • Planning on Developing Maritime Safety Index and Marine Accident Leading Indicator for Proactive and Quantitative Maritime Safety Management on the Basis of Big Data Analysis, Researcher, KIMST(Oct. 2016 – Jun. 2017)
  • National R&D trend analysis using NRF research proposals, Researcher, NRF(Jun. 2016 – May. 2017)
  • Design of IP Evaluation Support System Framework and Development of its Engine, Researcher, KIBO(Jun. 2016 – Dec. 2016)
  • A big-data based Technology Intelligence Approach to Support Strategic R&D Decision Making, Principal Researcher, Gachon University (Apr. 2014 – Mar. 2015)


Working papers

  • Yoo, J. J., Choi, S., & Song, H. (under review, submitted on March 2nd) What makes “GOOD” images on Instagram?: Big data analysis of photographs posted by global fashion brands. Manuscript under review at the Journal of Computer-Mediated Communication.
  • A Context-Aware Citation Recommendation Model with BERT and Graph Convolutional Networks researchgate, arxiv
  • A Deep Patent Landscaping Model using Transformer and Graph Convolutional Network researchgate, arxiv
  • Spelling errors in Students’ Constructed Responses and the Impact of Automatic Spelling Correction on the Efficacy of Automated Computer Scoring, researchgate
  • Maritime Context-Aware Communication Supporting System for e-Navigation, researchgate
  • Hybrid Machine Learning Approach to Popularity Prediction of Newly Released Contents for Online Video Streaming Service, researchgate, arxiv

International publications


  • Kim, J., Yoon, J., Park, E. and Choi, S., 2020. Patent document clustering with deep embeddings. Scientometrics, pp.1-15.
  • Kim, J., Jang, S., Park, E. and Choi, S., 2020. Text classification using capsules. Neurocomputing, 376, pp.214-221.





  • Choi, S., Kim, H., Yoon, J., Kim, K. and Lee, J.Y., 2013. An SAO‐based text‐mining approach for technology roadmapping using patent information. R&D Management, 43(1), pp.52-74.
  • Park, H., Kim, K., Choi, S. and Yoon, J., 2013. A patent intelligence system for strategic technology planning. Expert Systems with Applications, 40(7), pp.2373-2390.


  • Choi, S., Kang, D., Lim, J. and Kim, K., 2012. A fact-oriented ontological approach to SAO-based function modeling of patents for implementing Function-based Technology Database. Expert Systems with Applications, 39(10), pp.9129-9140.
  • Choi, S., Park, H., Kang, D., Lee, J.Y. and Kim, K., 2012. An SAO-based text mining approach to building a technology tree for technology planning. Expert Systems with Applications, 39(13), pp.11443-11455.
  • Seo, W., Choi, S., Kim, K. and Lee, J.Y., 2012. A procedural framework for dynamic changes of human interactions in knowledge intensive services. Expert Systems with Applications, 39(3), pp.2720-2732.


  • Choi, S., Yoon, J., Kim, K., Lee, J.Y. and Kim, C.H., 2011. SAO network analysis of patents for technology trends identification: a case study of polymer electrolyte membrane technology in proton exchange membrane fuel cells. Scientometrics, 88(3), pp.863-883.
  • Yoon, J., Lim, J., Choi, S., Kim, K. and Kim, C.H., 2011. Ontological functional modeling of technology for reusability. Expert Systems with Applications, 38(8), pp.10484-10492.
  • Seo, W., Choi, S., Kim, K. and Lee, J.Y., 2011. An ontology-based approach to role-human assignment in human processes for knowledge intensive services. Expert Systems with Applications, 38(7), pp.8352-8369.

Before 2010

  • Yoon, J., Choi, S. and Kim, K., 2010. Invention property-function network analysis of patents: a case of silicon-based thin film solar cells. Scientometrics, 86(3), pp.687-703.
  • Kang, D., Lee, J., Choi, S. and Kim, K., 2010. An ontology-based enterprise architecture. Expert Systems with Applications, 37(2), pp.1456-1464.
  • Kwon, O. and Choi, S., 2008. Applying associative theory to need awareness for personalized reminder system. Expert Systems with Applications, 34(3), pp.1642-1650.
  • Kwon, O., Choi, S. and Park, G., 2005. NAMA: A context-aware multi-agent based web service approach to proactive need identification for personalized reminder systems. Expert Systems with Applications, 29(1), pp.17-32.

Conference proceedings

International conference

  • Choi, S., Shin, S.J., CHOI, S. and Seo, W., 2016. Analyzing efficiency of IP-intensive industries: The case of Korea. ICIC express letters. Part B, Applications: an international journal of research and surveys, 7(10), pp.2241-2246.
  • Kim, J., Lee, W.S., Choi, S. and Sseo, W., 2016. IDENTIFYING POTENTIAL TECHNOLOGY THEMES BASED ON INTERNAL CAPABILITIES USING TOPIC MODELING AND ASSOCIATION RULE MINING. ICIC express letters. Part B, Applications: an international journal of research and surveys, 7(10), pp.2267-2273.
  • Seo, W., Kim, N. and Choi, S., 2016, August. Big Data Framework for Analyzing Patents to Support Strategic R&D Planning. In Dependable, Autonomic and Secure Computing, 14th Intl Conf on Pervasive Intelligence and Computing, 2nd Intl Conf on Big Data Intelligence and Computing and Cyber Science and Technology Congress (DASC/PiCom/DataCom/CyberSciTech), 2016 IEEE 14th Intl C (pp. 746-753). IEEE.
  • Choi, S., Lim, J., Yoon, J. and Kim, K., 2010, March. Patent function network analysis: A function based approach for analyzing patent information. In 19th International conference for the international association of management of technology, Cairo, Egypt, March (pp. 8-11).
  • Choi, S., Yoon, J., Kim, H., Kim, K., 2009, September. A Function-Based Technology Foresight Methodology, Fourth European Conference on Technology Management, EuroMOT 2009
  • Kwon, O., Choi, K. and Choi, S., 2006. Applying Rescorla–Wagner Model to Need Awaring Multi-Agent System. Context Awareness for Proactive Systems, 2006, p.53.
  • Kwon, O., Choi, S., Lee, H. and Yoo, K., 2004, May. ubiDSS: a framework of multi-agent based proactive decision support system with context-awareness. In Software Technologies for Future Embedded and Ubiquitous Systems, 2004. Proceedings. Second IEEE Workshop on (pp. 172-174). IEEE.

Domestic conference

  • 장은규, 최성철, 김경석, 김정호, 정희수, 2017. 선제적 해양안전 관리체계 개발에 관한 연구. 해양환경안전학회 학술발표대회 논문집, pp.63-63.
  • 김진홍, 서원철, 최성철, 2017. Citation2Vec-단어 분산 표현 (Distributed representation of words) 을 활용한 인용정보 기반 특허 유사도 측정 모델 개발. 대한산업공학회 춘계공동학술대회 논문집, pp.1042-1047.
  • 서자영, 서원철, 최성철, 박찬웅, 2017. 특허 공동 발명자 네트워크를 이용한 R & D 조직의 연구 주제 분석 방법. 대한산업공학회 춘계공동학술대회 논문집, pp.1037-1041.
  • 김성철, 서원철, 최성철, 2017. 텍스트 마이닝과 특허 연관 정보를 활용한 과학 기술 문서 분류 방법. 한국경영과학회 학술대회논문집, pp.5532-5543.
  • 장시온, 서원철, 최성철, 2017. 딥러닝 기반의 특허문서 다중분류. 대한산업공학회 춘계공동학술대회 논문집, pp.5554-5566.
  • 최성철, 2014. 특허 빅 데이터 플랫폼 구축. 대한산업공학회 추계학술대회 논문집, pp.1599-1631.



Lectures for University

  • Introduction to Programming with Python, Gachon Liberal Arts College, Gachon University, 2016 – 2019, Link -
  • Deep Learning: Therory and Application, Department of Industrial and Management Engineering. Gachon University, 2018 – 2019
  • Database system, Department of Industrial and Management Engineering. Gachon University, 2018 - 2019
  • System Analysis & Design, Department of Industrial and Management Engineering. Gachon University, 2016 – 2019
  • Technology Management, Department of Industrial and Management Engineering. Gachon University, 2014 – 2017
  • Operations Research, Department of Industrial and Management Engineering. Gachon University, 2016 – 2017
  • Web Programming with Python, Gachon Liberal Arts College, Gachon University, 2016 – 2018, Link -

Lectures for Enterprise Data Science Program

  • Python for Machine Learning, Naver CONNECT, 2018
  • Introduction to Machine Learning, Shinhan Card, Fall 2017
  • Introduction to Machine Learning, Samsung Electronics, Summer 2017

Honors and Awards

  • Gold Award for Excellence, Research Papers Competition in the field of technology management, KIAT (Dec. 2011, see Link)
    • Title: SAO-based text mining approach to patent information for technology load mapping
  • Best doctoral student runner-up Award, Conference on KOSIME (Nov. 2011)
  • Best doctoral student runner-up Award, Fourth European Conference on Technology Management (Sep. 2009, see Link)
    • Title: A Function-based Technology Foresight Methodology
  • Paper Award of Merit, Korean Intellectual Property Office , Patent Retrieval IT Conference (Aug. 2009)
  • Best Paper Award(from the Minister of Knowledge and Economy), Korean Intellectual Property Office & The National Academy of Engineering Korea (Mar. 2009, See Link)
  • Paper Award of Merit, LG CNS Entrue, 2nd LG CNS Entrue Consulting Digital Management Innovation Paper Competition. (Sep. 2007)
    • Title: Strategic Innovation Management Framework based on Market Maturity Life Cycle
  • Best Paper Award, Korea Intelligent Information Systems Society Conference (Sep. 2005)
    • Title: Applying Rescorla - Wagner Model to Multi - Agent Web Service and Performance Evaluation for Need Awaring Reminder Service