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Jaygarl's Homepage at Iowa State University
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Hojun Jaygarl
jaygarl at cs.iastate.edu
Ph.D Candidate (ABD) in Computer Science
(515) two nine four - 4998
Atanasoff Hall,
Iowa State University, Ames, IA 50011 USA |
Introduction
I'm a Ph.D. student in the department of Computer Science at Iowa State University.
My advisor is Prof. Carl K. Chang. I joined ISU at Fall 2006. Curriculum Vitae Research Interests
My core research area is Software Engineering, focusing on Automated Test input Generation for object-oriented programs, Adaptive Random Testing, Model-based random Testing, and Mining Software Repository. I am working on identifying faults in program development or in deployed programs by generating test cases, mining software repositories and analyzing software.
Conference Publications
[10] H. Jaygarl, S. Kim, T. Xie, and C.K. Chang, "OCAT: Object Capture-based Automated Testing," by International Symposium on Software Testing and Analysis (ISSTA 2010) (more)
[9] H. Jaygarl, K. Lu, and C.K. Chang, "GenRed: A Tool for Generating and Reducing Object-Oriented Test Cases," by the 34nd Annual IEEE International Computer Software and Applications Conference (COMPSAC 2010) (more) [8] H. Jaygarl, S. Kim, and C.K. Chang, "Practical Extensions of a Randomized Testing Tool, " by the 33nd Annual IEEE International Computer Software and Applications Conference (COMPSAC 2009) (more) [7] H. Jiang, T. Nguyen, I. Chen, H. Jaygarl and C.K. Chang, "Incremental Latent Semantic Indexing for Effective, Automatic Traceability Link Evolution Management," the 23rd IEEE/ACM International Conference on Automated Software Engineering (ASE 2008) (more) [6] H. Jaygarl, K. Oyama, J. Xia, and C.K. Chang, "HESA: a Human-centric Evolvable Situation-Awareness Model in Smart Homes," the 2008 International Conference on Smart homes and health Telematics (ICOST 2008) (more) [5] K. Oyama, H. Jaygarl, J.Xia, C.K. Chang, A. Takeuchi, and H. Fujimoto, "A Human-machine Dimensional Inference Ontology that Weaves Human Intentions and Requirements of Context Awareness Systems," the 32nd Annual IEEE International Computer Software and Applications Conference (COMPSAC 2008) [4] I. Chen, C. Yang, T. Lu, and H. Jaygarl, "Implicit Social Network Model for Predicting and Tracking the Location of Faults," the 32nd Annual IEEE International Computer Software and Applications Conference (COMPSAC 2008) (more) [3] C.K. Chang, K. Oyama, H. Jaygarl and H. Ming. "On Distributed Runtime Software Evolution Driven by Stakeholders of Smart Home Development." 2nd International Symposium on Universal Communication (IUCS 2008), Kyoto, Japan, pp. 59-66, 2008. Workshop/Poster Publications
[2] K. Oyama, H. Jaygarl, J.Xia, C.K. Chang, A. Takeuchi, and H. Fujimoto, "Requirements Analysis Using Feedback from Context Awareness Systems," Accepted by the 2nd IEEE International Workshop on Requirements Engineering For Services (REFS'08).
[1] I. Chen, H. Jaygarl, C. Yang, P. Wu, "Information Retrieval on Bug Locations by Learning Co-located Bug Report Clusters," Accepted by the 31st Annual International ACM SIGIR Conference (SIGIR2008-Poster) Academic Experience
Instructor
Undergraduate course of Appplied Computer Programming, COM S 107, Iowa State University Fall semester 2008, Spring, summer and fall semester 2009 Spring semester 2010 (5 semesters total) Teaching Assistant Designing CS107/CS108 (Applied Computer Programming I & II) course, Jan. 2008 - Aug. 2008 Supporting Smart Home Laboratory in Computer Science Department of Iowa State University, Aug. 2006 - May. 2007 Research Assistant Student Internship at Hong Kong University of Science and Technology (HKUST), Jul. - Aug. 2009. Summer Research Assistant for Prof. Tien Nguyen, Iowa State University, May. - Aug. 2007 Student Volunteer COMPSAC 2009, the 33rd Annual IEEE International Computer Software and Applications Conference COMPSAC 2008, the 32nd Annual IEEE International Computer Software and Applications Conference ICOST 2008, the 2008 International Conference on Smart homes and health Telematics useR! 2007, the R user International Statistic Conference, Iowa State University Paper Reviewer Annual IEEE International Computer Software and Applications Conference (COMPSAC) 2010 Journal of Systems and Software (JSS), Elsevier, 2009 Testing: Academic and Industrial Conference (TAIC) 2009 Industry Experience
Eight years of experience as a software engineer and programmer working in a variety of areas in the IT field, including embedded system programming, Network programming, Windows Applications, the Internet and Web and System Integrated programming. I was working as an engineer at Samsung Electronics R&D Lab. I was developing new products with advanced future technology such as a RFID refrigerator, a new UI refrigerator and washing machine, and developing system-software for Digital Appliance products such as Operating Systems, Device Drivers, Firmware, User Interfaces and Applications in Embedded System Engineering Area.
- Working Company Summary Microsoft Intern May. 2010 ~ Aug, 2010 Redmond, US Samsung Electronics Co.LTD Aug. 2003 ~ Jul, 2006 Suwon, Korea (R&D Center of Digital Appliance Network Business) EleArt Co.LTD Jul. 1998 ~ Feb. 2002 Seoul, Korea Freelance programmer Mar.2002 ~ Jul. 2003 Seoul, Korea Samsung Software Membership Nov 2000 ~ Jul. 2003 Seoul, Korea Lastly Updated: 05/12/2010 |