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Data Science Laboratory of DGIST

Professor

Professor

Sang-Chul Lee

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Education

Hanyang University

  • Ph.D., Department of Electronics Computer Engineering (2012.08)
    • Thesis: Collaborative Filtering Based Recommendation Systems Techniques for Accuracy, Diversity, and Scalability
    • Research Interests: Data mining, Recommendation systems, Web search engines, Social network analysis, Location based services
  • M.S., Department of Electronics Computer Engineering (2007.02)
  • B.S., Division of Information and Communications (Major in Software) (2005.02)

Experience

Daegu Gyeongbuk Institute of Science and Technology(DGIST)

  • Senior Researcher (AI Specialist)
  • Daegu, Korea. 2020.02 - Present
    • AutoML, Meta search
    • Recommendation systems
    • Smart Factory

Hyundai Heavy Industries (Bigdata Analytics Team)

  • Data Scientist (Researcher)
  • Ulsan, Korea. 2016.02-2020.01
    • Factor analysis for part sales in engine retrofit projects
    • Automated parameter setting for  multiple welding machines and crane failure detection in BLT (Built-up T bar) factory

Carnegie Mellon University (School of Computer Science)

  • Post-Doc (Mentor: Prof. Christos Faloutsos)
  • Pittsburgh, PA. 2013.10-2016.01
    • Fraud (abuse) detection algorithms in price-comparison sites (EigenSpokes, Feature extractions, Multi-features combination)
    • Analysis real-world data obtained from NHN Corp., Korea

Hanyang University

  • Post-Doc (Mentor: Prof. Sang-Wook Kim)
  • Seoul, Korea. 2012.9-2013.10
    • Recommendation systems for price-comparison sites (Collaborative filtering, Random walk with restart, Graph modeling)
    • Webpage ranking algorithms (Relevance propagation models, Topic  distillation tasks, Lucene open search engine)

Technical Skills

  • Programming Languages and Tools: C/C++/C#, Java, Python, Matlab, SQL, SPSS, Clementine
  • Web Development: HTML, PHP, ASP, MySQL, MS SQL
  • Typesetting Tools: LaTex, MS Office

Service / Reviewing

  • Program Committee Member: ACM SAC 2013, 2014
  • Conference Reviewer: DASFAA 2013, ACM ICUIMC 2012
  • Journal Reviewer: IEEE Transactions on SMC: Systems (2014)