Ki Hwan Yum

Assistant Professor
Department of Computer Science
The University of Texas at San Antonio

Last Updated: January 13, 2009

Curriculum Vitae: postscript, pdf.

Education

• Ph.D. in Computer Sciencen and Engineering, The Pennsylvania State University, 2002.
• M.S. in Computer Sciencen and Engineering, Pohang University of Science and Technology, 1994.
• B.S. in Mathematics, Seoul National University, 1989.

Teaching

Fall 2002 - CS 4753 Computer Architecutre
Spring 2003 - CS 4753 Computer Architecture
Fall 2003 - CS 5513 Computer Architecture
Spring 2004 - CS 4753 Computer Architecture
Fall 2004 - CS 5513 Computer Architecture
Spring 2005 - CS 2733 Computer Organization II
Fall 2005 - CS 2733, CS 5513
Spring 2006 - CS 2733, CS 4753
Fall 2006 - CS 2733, CS 5513
Spring 2007 - CS 2733, CS 4753
Spring 2008 - CS 2733, CS 4753
Fall 2008 - CS 1073, CS 3843

Spring 2009 - CS 3843 Computer Organization
Spring 2009 - CS 3853 Computer Architecture

Experience

• The University of Texas at San Antonio (2002-Present), San Antonio, Texas.
  Assistant Professor, Department of Computer Science.
  
• The Pennsylvania State University (1998-2002), University Park, Pennsylvania.
  Research/Teaching Assistant, Department of Computer Science and Engineering.
  
• Korea Telecom (1994-1997), Seoul, Korea.
  Member of Technical Staff, Research and Development Group.
  
• Pohang University of Science and Technology (1992-1994), Pohang, Korea.
  Research/Teaching Assistant, Department of Computer Science and Engineering.
  
• Republic of Korea Air Force (1990-1991), Seoul, Korea.
  Military Service.

Research Interests

Computer Architecture, Parallel/Distributed Systems, Computer Networks, Cluster Computing, QoS Support in Cluster Networks and Internet, Performance Evaluation, Fault-Tolerant Computing, Power Efficient Systems, Wireless Sensor Networks.

Publications

• Book Chapters
  • E. J. Kim, K. H. Yum, and C. R. Das, ``Introduction to Analytical Models," Performance Evaluation and Benchmarking, Edited by L. K. John and L. Eeckhout, Taylor & Francis, 2006.
• Journal Papers
  • K. H. Yum, E. J. Kim, C. R. Das, and A. S. Vaidya, "MediaWorm: A QoS Capable Router Architecture for Clusters," IEEE Transactions on Parallel and Distributed Systems, Vol. 13, No. 12, pp.1261-1274, December 2002. (ps, pdf)
  • E. J. Kim, K. H. Yum, and C. R. Das, "Performance Analysis of a QoS Capable Cluster Interconnect," Performance Evaluation, Vol. 60, No. 1-4, pp. 275-302, May 2005. (pdf)
  • E. J. Kim, G. M. Link, K. H. Yum, V. Narayanan, M. Kandemir, M. J. Irwin, C. R. Das, "A Holistic Approach to Designing Energy-Efficient Cluster Interconnets," IEEE Transactions on Computers, Vol. 54, No. 6, pp. 660-671, June 2005. (pdf)
  • E. J. Kim, K. H. Yum, C. R. Das, M. Yousif, and J. Duato, "Exploring IBA Design Space for Improved Performance," IEEE Transactions on Parallel and Distributed Systems, Vol. 18, No. 4, pp. 498-510, April 2007.
  • H. K. Lee, V. Hall, K. H. Yum, K. I. Kim, and E. J. Kim, "Bandwidth Estimation in Wireless LANs for Multimedia Streaming Services," Advances in Multimedia, Vol. 2007, Article ID: 70429, 2007.
  • H. Kim, E. J. Kim and K. H. Yum, "ROAL: A Randomly Ordered Activation and Layering Protocol for Ensuring K-Coverage in Wireless Sensor Networks," Journal of Networks (JNW), Vol. 3, No. 1, pp. 43-52, January 2008.
  • J. Iyer, H. Yu, H. Kim, E. J. Kim, K. H. Yum, and P. S. Mah, "Assuring K-Coverage in the Presence of Mobility and Wear-Out Failures in Wireless Sensor Networks," to appear in International Journal of Sensor Networks (IJSNet).
• Conference and Workshop Papers
  • K. H. Yum, A. S. Vaidya, C. R. Das, and A. Sivasubramaniam, "Investigating QoS Support for Traffic Mixes with the MediaWorm Router," in Proceedings of the Sixth International Symposium on High-Performance Computer Architecture (HPCA-6), pp.97-106, France, January 2000. (ps, pdf)
  • K. H. Yum, E. J. Kim, and C. R. Das, "QoS Provisioning in Clusters: An Investigation of Router and NIC Design," in Proceedings of the 28th Annual International Symposium on Computer Archtecture (ISCA 2001), pp.120-129, Sweden, June 2001. (ps, pdf)
  • E. J. Kim, K. H. Yum, and C. R. Das, "An Analytical Model for a QoS Capable Cluster Interconnect," in Proceedings of 11th GI/ITG Conference on Measuring, Modelling and Evaluation of Computer and Communication Systems (MMB 2001), pp.9-24, Germany, September 2001. (ps, pdf)
  • E. J. Kim, K. H. Yum, and C. R. Das, "Calculation of Deadline Missing Probability in a QoS Capable Cluster Interconnect," in Proceedings of IEEE International Symposium on Network Computing and Applications (NCA '01), pp.34-43, Cambridge, MA, February 2002. (ps, pdf)
  • K. H. Yum, E. J. Kim, C. R. Das, M. Yousif, and J. Duato, "Integrated Admission and Congestion Control for QoS Support in Clusters," in Proceedings of IEEE International Conference on Cluster Computing, pp.325-332, Chicago, IL, September 2002. (ps, pdf)
  • E. J. Kim, K. H. Yum, C. R. Das, M. Yousif, and J. Duato, "Performance Enhancement Techniques for InfiniBand Architecture," in Proceedings of the Ninth International Symposium on High-Performance Computer Architecture (HPCA-9), pp.253-262, Anaheim, CA, February 2003. (ps, pdf)
  • E. J. Kim, K. H. Yum, G. M. Link, N. Vijaykrishnan, M. Kandemir, M. J. Irwin, M. Yousif, and C. R. Das, "Energy Optimization Techniques in Cluster Interconnects," in Proceedings of the 30th International Symposium on Low Power Electronics and Design (ISLPED'03), pp.459-464, Korea, August 2003. (ps, pdf)
  • M. Lee, E. J. Kim, K. H. Yum, and M. Yousif, "Instant Attack Stopper in InfiniBand Architecture," The First International Workshop on Cluster Security (Cluster-Sec 2005) (pdf).
  • Y. Jin, E. J. Kim, and K. H. Yum, "Peak Power Control for a QoS Capable On-Chip Network," in Proceedings of the 2005 International Conference on Parallel Processing (ICPP), pp.585-592, Norway, June 2005. (pdf)
  • M. Lee, E. J. Kim, K. H. Yum, and M. Yousif, "An Overview on Security Issues in Cluster Interconnects," in Proceedings of the Cluster-Sec 2006 Workshop 2006, Singapore, 2006.
  • H. K. Lee, V. Hall, K. H. Yum, K. I. Kim, and E. J. Kim, "Bandwidth Estimation in Wireless LANs for Multimedia Streaming Services," in Proceedings of the 2006 International Conference on Multimedia and Expo (ICME), pp.1181-1184, Canada, July 2006. (pdf)
  • H. K. Lee, G. Vageesan, K. H. Yum, and E. J. Kim, "A PROactive Request Distribution (PRORD) Using Web Log Mining in Cluster-Based Web Server," in Proceedings of the 2006 International Conference on Parallel Processing (ICPP), pp.559-568, Columbus, OH, August 2006. (pdf)
  • H. Yu, J. Iyer, H. Kim, E. J. Kim, K. H. Yum, and P. S. Mah, "Assuring K-Coverage in the Presence of Mobility in Wireless Sensor Networks," in Proceedings of IEEE Global Telecommunications Conference (GLOBECOM), pp.1-5, San Francisco, CA, November 2006.
  • Y. Jin, E. J. Kim, and K. H. Yum, "A Domain-Specific On-Chip Network Design for Large Scale Cache Systems," in Proceedings of IEEE 13th International Symposium on High-Performance Computer Architecture (HPCA-13), pp.318-327, Phoenix, AZ, February 2007.
  • H. Kim, H. Yu, E. J. Kim, and K. H. Yum, "ROAL: A Randomly Ordered Activation and Layering Protocol for Ensuring $K$-Coverage in Wireless Sensor Networks," in Proceedings of the Third International Conference on Wireless and Mobile Communications (ICWMC 2007), pp.4-4, Guadeloupe, French Caribbean, March 2007.
  • H. K. Lee, V. Hall, K. H. Yum, K. I. Kim, and E. J. Kim, "Design of an Active Set-Top-Box in a Wireless Network for Scalable Streaming Services," in Proceedings of the 2007 International Conference on Image Processing (ICIP), Vol. 6, pp.VI-505-VI-508, San Antonio, TX, September 2007.
  • I. Yeo, H. K. Lee, K. H. Yum, and E. J. Kim, "Effective Dynamic Thermal Management for MPEG-4 Decoding," in Proceedings of IEEE International Conference on Computer Design (ICCD 2007), pp.623-628, Lake Tahoe, CA, October 2007.
  • Y. Jin, K. H. Yum, and E. J. Kim, "Adaptive Data Compression for High-Performance Low-Power On-Chip Networks," in Proceedings of the 41st International Symposium on Microarchitecture (MICRO-41), pp. 354-363, Italy, November 2008.
  • K. M. Su and K. H. Yum, "Simple and Effective Adaptive Routing Algorithms in Multi-Layer Wormhole Networks," in Proceedings of the 27th International Performance Computing and Communications Conference (IPCCC 2008), pp. 176-184, Austin, TX, December 2008.

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  Research Grants

  • "Design and Analysis of Embedded Software Solutions in Wireless Environments," Funded by Electronics and Telecommunications Research Institute (ETRI), 05/16/2005 ~ 12/15/2005.
  • "Collaborative Research: Design and Analysis of High-Performance, Energy-Efficient, and Secure Clusters," Funded by National Science Foundation (NSF), CCF-0541384, 04/15/2006 ~ 03/31/2009.

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  Professional Activities and Services

  • Publicity and Publications Chair, 12th IEEE International Symposium on High-Performance Computer Architecture (HPCA-12).
    • HPCA Repository in the University of Illinois at Urbana-Champaign.

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  Ki Hwan Yum
  yum_at_cs_dot_utsa_dot_edu
  Department of Computer Science
  The University of Texas at San Antonio
  SB 4.01.11 (office)
  6900 North Loop 1604 West
  San Antonio, TX 78249
  Phone: (210) 458-5592
  Fax : (210) 458-4437