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Résumé
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I’ve received my Ph.D from Seoul National University in 2012 under the supervision of Prof. Sang-goo Lee. My Ph.D thesis is entitled “A Heterogeneous Graph-based Framework for Hybrid Recommender Systems”.
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In early days, I was interested in context-aware systems and lifelog systems. Recently, I’m more interested in dealing with large-scale heterogeneous data (including contextual information) for recommender systems. More specifically, I’m working on flexible context-aware recommender systems by taking graph-based approaches. I’ve had many experiences of dealing with large-scale real datasets and co-working with various companies. So far, I have published a number of papers related to recommender systems, context-aware and lifelong systems in various leading conferences such as CIKM, RECSYS, WWW, and ISWC.
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Currently, I am working as a computer scientist at Oak Ridge National Laboratory. I am participating a US federal-funded research project. Please contact lees4 at ornl.gov for more details.
Proficiencies
- Languages : Java, Jsp, SQL, C, C++
- DB/OS : Oracle, Mysql, Microsoft SQL Server, Mac OSX
Education
- 2006.6 - 2007.7 American Language Program at Columbia University 2006-2007 , Columbia University, New York, US
- 2005.3- 2012.8 Ph.D. in Computer Science & engineering, Seoul National University, Seoul, Korea
- 2001.3 - 2005.2 B.S in Computer Science, KAIST, Daejeon, Korea
Research Interests
- Multidimensional, Context-awrare Recommender Systems
- Interactive & Flexible Recommender Systems
- Graph-based Recommender System
- Node Proximity Measures
- Mobile Lifelogging System
Research Results
- LifeLogOn: LifeLogOn: Log on to Your Lifelog Ontology
- A Practical Lifelogging System
- Prompt-SRM
- Supplier Relationship Management Systems in e-Procurement Systems
- 지능형상품정보시스템
Experience
- 2011.6 ~ 현재 Data-driven Elastic Computing 연구
- 2010.1 ~ 현재 Graph-based Multidimensional Recommender System 연구
- 2009.4 ~ 2009.12 LifeLogOn System
- 2008.11 ~ 2009.6 u-City 분류체계 및 인터페이스 표준화
- 2008.9 ~ 2009.3 Survey on Context-Aware Systems (Graduation Qualification)
- 2008.3 ~ 2009.1 Context Aware Service Delievery Framework 프로토타입 구현
- 2007.9 ~ 2007.12 KT Semantic Web Technology Roadmap 연구
- 2006.6 ~ 2007.7 Columbia University ALP과정 이수 (level. 8b)
- 2006.1 ~ 2006.6 Supplier Relationship Management (SRM) Solution 개발
- 2005.6 ~ 2005.10 조달청 지능형 상품정보 검색 시스템 고도화
- 2004.6 ~ 2004.7 한국전자통신연구원(ETRI) 바이오정보연구팀 인턴
Etc.
- 서울대학교 e-비즈니스 기술연구센터 주최 유비쿼터스 지능형 비즈니스 모델 공모전 최우수상
- 2008학년도 서울대학교발전기금 장학생
Interests
- YouTube
- Apple Mac & iPhone
- Art
- Games & Toys
- Languages
- Martial Arts & MMA & Boxing