I'm a Ph.D. candidate in the Computer Science Department at the University of Southern California. I'm also a research assistant of the Semantic Information Research Laboratory, and currently working on text classification (spam filtering) using dynamic ontology. My advisor is Prof. Dennis McLeod. I’m looking for a research job or academic job.

Education

• Ph.D. Candidate (Current)
  Computer Science Department, University of Southern California , USA
• Master of Engineering (Spring 2003)
  Electrical Engineering Department, University of Southern California , USA
• Master of Science (February 1999)
  Computer Science Department, Sogang University, Korea
• Bachelor of Science (February 1997)
  Computer Science Department, Sogang University, Korea

Research Interests

• Spam e-mail filtering using an dynamic ontology
• Text classification, Data mining
• Multiple database federation using an ontology
• Construction of dynamic semantic web

Project/Research Experience

• SPONGY (SPam OntoloGY) Project, Semantic Information Research Laboratory, USC (August 2006 ~ Current)
• Developed spam email filtering system using feature selection, data mining, text classification algorithms, and ontology
• Diagnosis based on Clinical Databases, Semantic Information Research Laboratory, USC (January 2008 ~ Current)
• Research about critical factors for clinical data set from the patients using various feature selection and weighting algorithm
• CSFN Database Federation Project , Semantic Information Research Laboratory, USC (December 2006 ~ Current)
• Federation of human brain database, rat database, and neurotherapy fMRI database using an ontology
• Information Management for Multimedia Earthquake Science Data, JPL, USC (January 2006 - May 2006)
• Developed an ontology from earthquake database
• Homeland Security Project in Disaster situation, JPL, USC (January 2006 - May 2006)
• Alarm system using agent and ontology
• QuakeSim Project, Directed Research, Semantic Information Research Laboratory, USC (March 2005 ~ May 2005)
• Researched on ontology-based federated information management for seismology and geosciences
• CREATE Project, Directed Research, Semantic Information Research Laboratory, USC (January 2005 ~ May 2005)
• Researched on information filtering system for crisis manager portal
• Implementation of multiple re-transmission on YIMA multimedia server, IMSC, USC (May 2003 ~ December 2003)
• Design of board for performance improvement of BYNET interconnection network, Sogang University, Korea (February 1998 ~ December 1998)
• Development of MPP(Massively Parallel Processing) Computer, Sogang University, Korea (February 1998 ~ December 1998)
• Optimized cell division in cellular communication system, Sogang University, Korea (August 1997 ~ May 1998)

Teaching

• 08/2008 ~ 12/2008 Teaching Assistant for CS585 (Database Systems, Prof. McLeod)
• 01/2008 ~ 05/2008 Teaching Assistant for CS586 (Database Systems Interoperability, Prof. McLeod)
• 01/2008 ~ 05/2008 Teaching Assistant for CS555 (Advanced Operating Systems, Prof. Ted Faber Jr.)
• 08/2007 ~ 12/2007 Teaching Assistant for CS585 (Database Systems, Prof. McLeod)
• 08/2007 ~ 12/2007 Teaching Assistant for CS586 (Database Systems Interoperability, Prof. McLeod)
• 01/2007 ~ 05/2007 Teaching Assistant for CS585 (Database Systems, Prof. McLeod)
• 08/2006 ~ 12/2006 Teaching Assistant for CS585 (Database Systems, Prof. McLeod)
• 01/2006 ~ 05/2006 Teaching Assistant for CS585 (Database Systems, Prof. Shamsian)
• 08/2005 ~ 12/2005 Teaching Assistant for CS101 (Fundamentals of Computer Programming, Prof. Ghyam)
• 01/2005 ~ 05/2005 Teaching Assistant for CS455 (Introduction to Programming Systems Design, Prof. Narayanaswamy)
• 08/1999 ~ 06/2000 Part-Time Lecturer for Principles of Digital Circuit Design, Sogang University, Korea

Publications  

    Journal Publications

• Seongwook Youn and Dennis McLeod, “Spam E-mail Filtering via Global and User-Level Dynamic Ontologies,” Information Systems. Submitted.
• Seongwook Youn and Dennis McLeod, “Spam Email Classification using an Adaptive Ontology,” Journal of Software (JSW), ISSN:1796-217X, Volume 2, Issue 3, Pages 43-55, 2007

    Book Chapter Publications

·        Seongwook Youn and Dennis McLeod. “Ontology Development Tools for Ontology-Based Knowledge Management,” Encyclopedia of E-Commerce, E-Government and Mobile Commerce. Idea Group Inc. 2006

    Conference Publications

• Seongwook Youn and Dennis McLeod, “Spam Decisions on Gray Email using Personalized Ontologies,” 24th Annual ACM Symposium on Applied Computing (SAC ’09), Hawaii, USA, March 2009. Submitted.
• Seongwook Youn and Dennis McLeod, “Improved Spam Filter by Retrieving of Text Information from Text Embedded Image E-mail,” 24th Annual ACM Symposium on Applied Computing (SAC ’09), Hawaii, USA, March 2009. Submitted.
• Seongwook Youn and Dennis McLeod, “Efficient Spam Email Filtering using Adaptive Ontology,” 4th International Conference on Information Technology: New Generations (ITNG '07), USA, April 2007.

*Selected by program committee for recommendation to Journal of Software.

• Seongwook Youn and Dennis McLeod, “A Comparative Study for Spam Mail Classification,” 2nd International Conference on Systems, Computing Sciences, and Software Engineering (SCS2 ‘06), USA, December 2006.
• Seongwook Youn and Sungchun Kim, “Dynamic Control of Banyan Network using Time Division Multiplexing with Timer.” The Institute of Electronics Engineers of Korea, 2000.   
• Seongwook Youn and Sungchun Kim, “Dynamic Control of Banyan Network using TDM with Timer,” Proceeding of HCI  Conference, Korea Information Science Society, Feb. 1999.

    Technical Reports

• Dennis McLeod, Anne Yun-An Chen, Seokkyung Chung, Vesile Evrim, Shan Gao, Vijayakumar Gopalakrishnan, Jong-eun Jun, Leila Kaghazian, Hyun Woong Shin, Bomi Song, Sang-Soo Sung, Seongwook Youn. Information Management for Multimedia Earthquake Science Data, JPL, 2004
• Dennis McLeod, Issac Cohen, Shrikanth Narayanan, Cyrus Shahabi, Anne Yun-An Chen, Seokkyung Chung, Vesile Evrim, Shan Gao, Vijayakumar Gopalakrishnan, Jong-eun Jun, Leila Kaghazian, Hyun Woong Shin, Bomi Song, Sang-Soo Sung, Seongwook Youn. Semantic Information Representation and Ontologies, JPL, 2004

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Last Update : September 03, 2008
Seongwook Youn