ftnmuseHwajung Lee 

Associate Professor

Department of Information Technology

Radford University

 

Site Director of ACM Mid-Atlantic Programming Contest

Associate Director of ACM Local Programming Contest (RU Chapter)

Associate Director of Programming Contest

for Virginia High School Students and Community College Students (hosted by RU)

Associate Director of Game Programming Contest

for Virginia High School Students and Community College Students (hosted by RU)

                                                                                                                     

 

 

RU Campus (by Lora Gordon)


Research Interests

Networks, Network Survivability, Network Security,

Wireless Sensor Networks, Grid Computing Networks,

Ubiquitous Computing Networks, Wireless Mesh Networks

 

Contact Information

RU Box 6933

Department of Information Technology

Radford University, Virginia 24142

[Email] hlee3@radford.edu

[Phone] 540-831-6054

[Fax] 540-831-6706

[Homepage] http://www.radford.edu/~hlee3

[NSRL lab] http://www.radford.edu/~nsrl

 

 

Teaching       Research and Activities       Education       Employment       Publications       Others

 

 

Teaching

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ITEC650 Networking Concepts (spring 2006; spring 2008) – Graduate Course

ITEC452 Distributed Computing (fall 2008; fall2009; fall2010; fall2011)

ITEC451 Network Design and Analysis (spring 2009; spring 2010; spring 2011)

ITEC350 Introduction to Computer Networking (spring 2004; fall 2004; spring 2005; fall 2007; spring 2009; spring 2011; fall 2011)

ITEC324 Principles of Computer Science III (former ITEC224; fall 2008; spring 2009; fall 2011)

ITEC224 Principles of Computer Science III (every semesters from fall 2003 til spring 2008)

ITEC220 Principles of Computer Science II (fall 2006; spring 2007; spring 2008)

ITEC120 Principles of Computer Science I (fall 2003; fall 2005)

 

 

Research and Activities 

 

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  • Network and Security Research Lab (NSRL)

 

  • “Modeling and Solving Optimization Problems on Wireless Electricity Charging Protocol in Wireless Sensor Networks using Mixed Integer Programming” with four female undergraduate student researchers at RU.
    • PI: Hwajung Lee
    • funded by CREU (CREU: Collaborative Research Experience for Undergraduates in Computer Science and Engineering) of CRA-W (from 6/20/2011 to 5/31/2012)

 

  • “Multi-hop Wireless Electricity Charging Protocol in Wireless Sensor Networks” with four female undergraduate student researchers at RU.
    • PI: Hwajung Lee
    • funded by CREU (CREU: Collaborative Research Experience for Undergraduates in Computer Science and Engineering) of CRA-W (from 6/20/2010 to 5/31/2011) One of the Best Proposals of 2010

 

  • “Energy Efficient Wireless Sensor Networks” with three female undergraduate student researchers at RU.
    • PI: Hwajung Lee
    • funded by CREU (CREU: Collaborative Research Experience for Undergraduates in Computer Science and Engineering) of CRA-W (from 6/20/2008 to 5/31/2009)

 

  • “Hierarchical Service Composition in Ubiquitous Grid: HiServiC”
    • PI: Hwajung Lee
    • funded by the College of Science and Technology at Radford University (from 5/14/08 to 7/20/08)

 

  • “Implementation on Smarter User Interface for User Controlled Lightpath Software in Grid Computing Networks and Web Application Servers Clustering”
    • PI: Hwajung Lee
    • funded by the College of Information Science and Technology at Radford University. (from 5/14/07 to 7/20/07)

 

  • “Developing a Distance Learning Course”
    • PI: Hwajung Lee
    • funded by the College of Information Science and Technology at Radford University. (from 5/14/07 to 7/20/07)

 

  •  “Secure, Reliable and Efficient Data Replica Management in Grid Computing Networks”
    • PI: Hwajung Lee
    • funded by CREU (CREU: Collaborative Research Experience for Undergraduates in Computer Science and Engineering). (from 6/20/06 to 5/31/07) One of the Best Proposals of 2006

 

  • “Summer Research Experience on Service-oriented Lightpath Management of Grid Computing Networks and Conference Publications”
    • PI: Hwajung Lee
    • funded by the College of Information Science and Technology at Radford University. (from 5/8/2006 to 7/16/2006)

 

  • “Next Generation Security: Assessing Vulnerability of Grid Computing Networks”
    • PI: Hwajung Lee
    • funded by CREU (CREU: Collaborative Research Experience for Undergraduates in Computer Science and Engineering). (from 6/20/05 to 5/31/06) One of the Best Proposals of 2005

 

  • “Seed Grant: Survivability and Survivable Reconfiguration for Dynamic Resource Grouping in Grid Computing Environment against Cyber-terrorism”
    • PI: Hwajung Lee
    • funded by Radford University. (from 11/5/04 to 11/30/06)

 

 

  • Summer Bridge Program (Founding Director: Hwajung Lee)

o    funded by Radford University and CIST at RU in 2006

o    funded by CIST, CAS, Radford University, VCCS, NSF, and Apple in 2007

o    funded by College of Science and Technology at RU in 2008

 

Publications

 

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  • Hwajung Lee, “Sustainable Wireless Sensor Networks with Wireless Electricity Charging and Energy Balancing,” Women’s Institute in Summer Enrichment Sponsored by the Team for Research in Ubiquitous Secure Technology (TRUST), July 15-19, 2011, Carnegie Mellon University, Pittsburgh, PA [Poster]

 

  • Bretny Khamphavong, Chloe Norris, Nancy White, Catherine Green, and Hwajung Lee, “Wireless Electricity Charging in Wireless Sensor Networks,” Richard Tapia Celebration of Diversity in Computing Conference, April 3-5, 2011 [Abstract and Poster]

 

  • Catherine Greene, Bretny Khamphavong, Chloe Norris, Nancy White, and Hwajung Lee, “Multi-hop Wireless Electricity Charging in Wireless Sensor Networks,” 20th Annual Undergraduate/Graduate Student Engagement Forum, April 19-21, 2011, Radford University [Abstract and Presentation]

 

  • Hwajung Lee, “Optimal Wireless Electricity Charging in Wireless Sensor Networks: To Minimize Energy Loss and Maximize Network Lifetime,” International Conference on Computer Communications and Networks,” July 12-14, 2010, Orlando, Florida

 

  • Jon Carter Farmer, Hwajung Lee, “Wireless Sensor Networks without Energy Constraint using Witricity,” Big South Undergraduate Research Symposium, April 9-10, 2010, Radford, VA [Abstract and Presentation]

 

  • Jon Carter Farmer, Trent Lugar, Hwajung Lee, “Computer Aided Rescue Systems with Mobile Robot Agents,” Big South Undergraduate Research Symposium, April 9-10, 2010, Radford, VA [Abstract and Presentation]

 

  • Hwajung Lee, “Optimization Issues under a New Paradigm on Wireless Sensor Network (WSN) Research: WSN with Witricity,” the 2009 US Korea Conference on Science, Technology and Entrepreneurship, Raleigh, North Carolina, July 16~19, 2009. [Abstract and Presentation]

 

  • Eric Ballance and Hwajung Lee, “Proactive Information Delivery System in Ubiquitous Networks,” to appear in International Journal of Hybrid Information Technology, January 2009

 

  • Hwajung Lee, “PKI Vulnerability and x-Cryptography in Grid Computing Networks,” to appear in the 2008 International Conference on High Performance Computing, Networking and Communication Systems (HPCNCS-08), Orlando, Florida, July 7-10 2008,  Invited Paper

 

  • Eric Ballance and Hwajung Lee, “Developing Proactive Information Delivery System through Bluetooth in Ubiquitous Networks,” the International Conference on Multimedia and Ubiquitous Engineering (MUE2008), IEEE Computer Society, Seoul Korea, April 24-26, 2008.

 

  • Dennis P. Groth, Betty Lauer, Helen H. Hu, and Hwajung Lee, “Improving Computer Science Diversity through Summer Camps,” ACM SIGCSE 2008, Portland, Oregon, March 12-15, 2008. Proposal, Presentation, and Panel

 

  • Eric Ballance, Hwajung Lee, and Joe Derrick, “Investigating Ubiquitous Computing Through the Use of IR, Wi-Fi, and Bluetooth Technologies to Enhance Microsoft Onenote for the Tablet PC,” the 22nd National Conference on Undergraduate Research (NCUR 2008), Salisbury University, Maryland, April 10-12, 2008, Abstract and Presentation

 

  • James Jones and Hwajung Lee, “Application-Oriented and Hardware-Constraint-Oriented Routing Protocol Selection in Mobile Ad-hoc Networks,” the 22nd National Conference on Undergraduate Research (NCUR 2008), Salisbury University, Maryland, April 10-12, 2008, Abstract and Presentation

 

  • H. Lee, “Distributed Reconfiguration Algorithm in Survivable Grid Computing Networks,” Abstract and Presentation in Proc. of US-Korea Conference on Information Technology 2007, Reston, Virginia, August 9~12, 2007

 

  • H. Lee, “Uninterruptible Reconfiguration for Dynamic Resource Management in a Grid Computing Network against a Single Link Attack/Failure,” Proc. of  International Conference on High Performance Computing, Networking and Communication Systems, Orlando, FL, July 9-12, 2007

 

  • H. Lee and D. Allen, “Dynamic Reconfiguration of User Controlled Lightpath Management in Survivable Grid Computing Network against a Single Link Attack/Failure,” Abstract and Poster, TeraGrid 2007 Conference, Madison, Wisconsin, June 4-8, 2007

 

  • H. Lee, “Quality of Service in Grid Computing Network,” Abstract and Presentation in Proc. of US-Korea Conference on Communication and Networking Technology 2007, Teaneck, New Jersey, August 10-13, 2006.

 

  • H. Lee, “Resilient Topology Control using Energy-balanced Sleeping Sensors in Multihop Wireless Sensor Network using Fixed Transmission Power,” Proc. of the 10th World Multiconference on Systemics, Cybernetics and Informatics (WMSCI 2006), Orlando, FL, July 16-19, 2006

 

  • H. Lee, “SEEMLESS: Distributed Algorithm for Topology Control of Survivable Energy Efficient Multihop Wireless Sensor Networks Using Adjustable Transmission Power,” Proc. 6th International Conference on Software Engineering, Artificial Intelligence, Networking and Parallel/Distributed Computing (SNPD 2005), IEEE Computer Society Press, Baltimore, Maryland, May 23 - May 25, 2005.

 

  • N. Yoo, H. Lee, and H. Choi, “XML-BASED Information Assurance Vulnerability Management for System Safety,” the 22nd International System Safety Conference (ISSC 2004), Providence Rhode Island, 2 - 6 August, 2004.

 

  • N. Yoo, H. Lee, and H. Choi, “An XML-Based Impact Analysis Using Security Management With IAVN,” The 2004 International Conference on Security and Management (SAM'04), Las Vegas, Nevada, June 21-24, 2004.

·         H. Lee, H. Choi, S. Subramaniam, and H.-A. Choi, Survival Embedding of Logical Topology in WDM Ring Networks, to be presented at Information Sciences : An International Journal, Special Issue on Photonics, Networking and Computing, Elsevier, 2002. [Full Paper: .ps, .pdf]

·         H. Lee, H. Choi, S. Subramaniam, and H.-A. Choi, Preserving Survivability During Logical Topology Reconfiguration in WDM Ring Networks, Proc. 31st ICPP Workshop on Optical Networks, IEEE Computer Society Press, Vancouver Canada, August 2002. Invited Paper. [Full Paper: .ps, .pdf] [Presentation: .ppt(animation included)]

·         H. Lee, H. Choi, and H.-A. Choi, Reconfiguration of Survivable Logical Topologies in WDM Ring Networks, Proc. 36th Conference of Information Science and Systems (CISS), Princeton University, March 2002. [Full Paper: .ps .pdf]

·         H. Lee, H. Choi, S. Subramaniam, and H.-A. Choi, Survival Embedding of Logical Topology in WDM Ring Networks, Proc. Symposium on Photonics, Networking and Computing, The 6th Joint Conference on Information Sciences (JCIS), Duke University, March 2002. [Full Paper: .ps, .pdf] [Presentation: .html, .ppt(animation included)]

·         H. Lee, H. Choi, S. Subramaniam, and H.-A. Choi, Survival Logical Topology Design in WDM Optical Ring Networks, Proc. 39th Allerton conference on communications, control, and computing, Univ. of Illinois at Urbana-Champaign, Oct. 2001. Invited Paper. [Full Paper: .ps, .pdf]

·         H. Choi, H. Lee, and H.-A. Choi, Design Issue on IP over WDM Networks, Proc. US-Korea Conference on Science, Technology and Entrepreneurship 2001, Boston, August 10-12, 2001.

·         H. Lee, H. Choi, and H.-A. Choi, Restoration in IP over WDM Optical Networks, Proc. 30th ICPP Workshop on Optical Networks, IEEE Computer Society Press, pages 263-268, September 2001. Invited Paper. [Full Paper: .ps, .pdf]

·         H. Lee, H. Choi, and H.-A. Choi, IP Restoration on WDM Optical Networks, Proc. 35th Conference of Information Science and Systems (CISS), vol 1, page 268, The Johns Hopkins University, March 2001. [Full Paper: .ps, .pdf] [Presentation: .html, .ppt(animation included)]

·         H. Lee, and J. Song, A study on Prior Transfer Scheme and Hierarchical Virtual Ring for Moving Picture, Korean Information and System Society, Spring conference 1995.

·         H. Lee, and J. Song, CLSF (Connectionless Service Functions) topology, Korean Information and System Society, Fall conference 1994.

Technical Reports

·         H. Lee, IPv6 Security over ATM, George Washington University, December 1998. [Presentation: .htm, .ppt]

·         H. Lee, ATM Firewall Routers with Black Lists, George Washington University, December 1997. [Presentation: .html, .ppt]

 

Education

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·         The George Washington University, Doctor of Science, 2003
Department of Computer Science
Computer Networks and Communications Security

Employment

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August 2003 ~ Present

·         Radford University
Assistant Professor

February 2000 ~ July 2003

·         The World Bank (IFC), Washington DC
Financial Officer (Computational Finance)

1998 ~ February 2000

·         The World Bank (IFC), Washington DC
Systems Analyst

1995 ~ 1997

·         Duksung Women's University in Seoul, Korea
Instructor
(Courses : Computer I)

·         Information and System Center at Yonsei University in Seoul, Korea
Instructor
(Courses : C language, Computer Architecture)

·         Anyang University
Instructor
(Courses : Automata, Computer Network)

 

Other Activities and Organizations

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·         Referee of IEEE Communication Letters

·         Referee of IEEE Transaction on Wireless Communications

·         Referee of IEEE ICC (International Conference on Communications) 2002

·         Referee of SPIE Opticomm Conference, 2001

·         Member of the IEEE (the Institute of Electrical and Electronics Engineers, Inc.)

·         Member of the ACM (Association for Computing Machinery)

·         Member of the ACM SIGSAC (ACM Special Interest Groups : Security, Audit and Control)

·         Program Committee of

ú   GCA (International Conference on Grid Computing and Applications)

ú   SAM (International Conference on Security and Management)

ú   SNPD (International Conference on Software Engineering, Artificial Intelligence, Networking, and Parallel/Distributed Computing)

ú   ICDCIT (International Conference on Distributed Computing and Internet Technology) 2006