Wang-Chien Lee

Wang-Chien Lee, Associate Professor

360D Information Sciences and Technology Building

Department of Computer Science and Engineering

The Pennsylvania State University

University Park, PA 16802, USA

E-mail: wlee@cse.psu.edu Web: http://www.cse.psu.edu/~wlee

Tel: (814) 865-1053 Fax: (814) 865-3176

Curriculum Vita (Updated Oct. 2007)

Education

	Ph.D., 1996, Dept. of Computer & Information Science, Ohio State University, Columbus, Ohio, USA.
	M.S., 1989, Department of Computer Science, Indiana University, Bloomington, Indiana, USA.
	B.S., 1985, Department of Information Science, National Chiao-Tung University, Hsinchu, Taiwan.

Research

Dr. Lee leads the Pervasive Data Access Research Group at Penn State to investigate various research issues involving data access and management in a wide spectrum of networking and mobile environments. His primary research include:

	Mobile and Pervasive Data Access
	Location-Based Services
	Peer-to-Peer (P2P) Computing
	Wireless Sensor Networks
	Time-Critical and Secure Wireless Data Broadcast
	Information Retrieval Visualization and Analysis
	Mobile Ad Hoc Networks
	XML and Access Control
	Object-Oriented Database

More details about Dr. Lee's research activities can be found in the PDA (Pervasive Data Access) research group web site.

Funding

	Principal Investigator, Link Quality Estimation for Wireless Sensor Networks, NSF, CNS-0626709, 9/2006-8/2009, $250,000.
	Principal Investigator, Indexing Multi-Dimensional Data in Peer-to-Peer Systems, (Co-PI: Anand Sivasubramaniam), NSF, IIS-0534343, 1/2006-12/2008, $330,000.
	Principal Investigator, Location-based Information Access in Pervasive Computing Environments, NSF, IIS-0328881, 9/2004- 8/2007, $265,000.
	Co-Investigator, ECOQUAD: Energy-Conserving Quality-Aware Data Collection in Wireless Sensor Networks, (PI: Jianliang Xu), Research Grants Council (Hong Kong), 9/2005-8/2007, HK$ 391,000.
	Senior Personnel, STNexus: An Integrated Database and Visualization Environment for Space-Time Information Exploitation, (PIs: Donna J. Peuquet and Alan M. MacEachren), Advanced Research and Development Activity, NSA/NGA/CIA, 6/2005-5/2007, $806,000.
	Co-Investigator, Wireless Information Publication and Access, (PI: Dik Lee), Research Grants Council (Hong Kong), 9/2003-8/2005, HK$ 414,000.
	Co-Principal Investigator, Bioinformatics Consortium to Enhance Translational and Clinical Research (PI: Raj Archaya), Public Health Service, 7/2002-6/2005, $358,000.
	Co-Investigator, Modeling and Service Discovery in Pervasive Computing, (PI: Dik Lee), Research Grants Council (Hong Kong), 9/2001-8/2003, HK$390,000.
	Principal Investigator, Web Content Transformation Technology Evaluation Services, Genuity Inc., 7/2000-6/2001, $180,000.

Patents

W.-C. Lee, G. Mitchell, X. Zhang, System and Method for Automatic Loading of an XML Document Defined by a Document-Type Definition into a Relational Database Including the Generation of a Relational Schema Therefor, United State Patent: 7072896B2.
W.-C. Lee, G. Mitchell, E. Rundersteiner, X. Zhang, System and Method for Automatic Synchronizing and/or updating an Existing Relational Database with Supplemental XML Data, United State Patent: 7031956B1.

Selected Publication (Complete List)

	Identifying Frequent Items in P2P Systems (with M. Li), International Conference on Distributed Computing Systems (ICDCS 2008), Beijing, China, June, 2008, to appear.
	Wavenet: A Wavelet-based Approach to Monitor Changes on Data Distribution in Networks (with M. Li and P. Xia), International Conference on Distributed Computing Systems (ICDCS 2008), Beijing, China, June, 2008, to appear.
	Real-time Automatic Tag Recommendation (with Y. Song, Z. Zhuang, H. Li, Q. Zhao, J. Li, L. Giles), International Conference on Research & Development on Information Retrieval (SIGIR 2008), Singapore, July, 2008, to appear.
	Ranked Reverse Nearest Neighbor Search (with C.K. Lee and B. Zheng), IEEE Transactions on Knowledge and Data Engineering (TKDE), to appear.
	Analysis of TTL-Based Consistency in Unstructured Peer-to-Peer Networks (with X. Tang and J. Xu), IEEE Transactions on Distributed and Parallel Systems (TPDS), to appear.
	KTR: an Efficient Key Management Scheme For Secure Data Access Control in Wireless Broadcast Services (with with Q. Gu, P. Liu, and C.-H. Chu), IEEE Transactions on Dependable and Secure Computing (TDSC), to appear.
	SSW: A Small World Based Overlay for Peer-to-Peer Search (with M. Li, A. Sivasubramaniam, and J. Zhao), IEEE Transactions on Distributed and Parallel Systems (TPDS), to appear. [pdf]
	A New Storage Scheme for Approximate Location Queries in Object Tracking Sensor Networks (with J. Xu and X. Tang), IEEE Transaction on Distributed and Parallel Systems (TPDS), Volume 19, No. 2, Feb. 2008, pp. 262-275. [pdf]
	Optimizing Parallel Itineraries for KNN Query Processing in Wireless Sensor Networks (with T-Y. Fu and W.-C. Peng), ACM Conference on Information and Knowledge Management (CIKM'07), Nov. 6-9, 2007, pp. 391-400. (17% acceptance rate - Best Interdisciplinary Paper Award Candidate) [pdf]
	Approaching the Skyline in Z Order (with C.K. Lee, B. Zheng, and H. Li), International Conference on Very Large Data Bases (VLDB'07), Vienna, Austria, September 23-28, 2007, pp. 279-290. [pdf]
	Analysis of a Loss-Resilient Proactive Data Transmission Protocol in Wireless Sensor Networks (with Y. Xu and J. Xu), IEEE Conference on Computer Communications (Infocom'07), Anchorage, Alaska, USA, May 2007. (~18 acceptance rate) [pdf]
	On Searching Continuous Nearest Neighbors in Wireless Data Broadcast Systems (with B. Zheng and D.L. Lee), IEEE Transaction on Mobile Computing, Volume 6, Number 7, July 2007, pp. 748-761. [pdf]
	Top-k Monitoring in Wireless Sensor Networks (with M. Wu, J. Xu, and X. Tang), IEEE Transactions on Knowledge and Data Engineering (TKDE), Volume 19, Number 6, June 2007, pp. 962-976. [pdf]
	DPTree: A Balanced Tree Based Indexing Framework for Peer-To-Peer Systems (with M. Li and A. Sivasubramaniam), IEEE International Conference on Network Protocols (ICNP'06), Santa Barbara, CA, November 2006, pp. 12-21. [pdf] (~14 acceptance rate)
	Nearest Surrounder Search (with C.K. Lee and H.V. Leung), IEEE International Conference on Data Engineering (ICDE’06), Atlanta, GA, April 2006, 10 pages. [pdf] (~19.5 acceptance rate)
	Processing Window Queries in Wireless Sensor Networks (with Y. Xu, J. Xu, and G. Mitchell), IEEE International Conference on Data Engineering (ICDE’06), Atlanta, GA, April 2006, 10 pages. [pdf] (~19.5 acceptance rate)
	Exploring Spatial Correlation for Link Quality Estimation in Wireless Sensor Networks (with Y. Xu), IEEE International Conference on Pervasive Computing and Communications (PerCom’06), Pisa, Italy, March 2006, pp. 200-211. [pdf] (~8% acceptance rate)
	Caching Complementary Space for Location-Based Services (with C.K. Lee, B. Zheng, and J. Xu), International Conference on Extending Database Technology (EDBT'06), Munich, Germany, March 2006, pp. 1020-1038. [pdf] (~16% acceptance rate)
	An Error-Resilient and Tunable Distributed Indexing Scheme for Wireless Data Broadcast (with J. Xu, X. Tang, Q. Gao, S. Li), IEEE Transactions on Knowledge and Data Engineering (TKDE), Volume 18, No. 3, March 2006, pp. 392-404. [pdf]
	Grid-Partition Index: A Hybrid Method for Nearest-Neighbor Queries in Wireless Location-Based Services (with B. Zheng, J. Xu, D.L. Lee), Very Large Data Base Journal (VLDBJ), Volume 15, No. 1, January 2006, pp. 21-39. [pdf]
	On Scheduling Time-Critical On-Demand Broadcast (with J. Xu and X. Tang), IEEE Transactions on Distributed and Parallel Systems, Volume 17, Issue 1, Jan. 2006, pp. 3-14. [pdf]
	DSI: A Fully Distributed Spatial Index for Location-Based Wireless Broadcast Services (with B. Zheng), IEEE International Conference on Distributed Computing Systems (ICDCS’05), Columbus, OH, June, 2005, pp. 349-358. (~14% acceptance rate). [pdf]
	The D-tree: An Index Structure for Planar Point Queries in Location-Based Wireless Services, (with J. Xu, B. Zheng and D.L. Lee), IEEE Transaction on Knowledge and Data Engineering (TKDE), Volume 16, No. 12, December, 2004, pp. 1526-1542. [pdf]
	Semantic Small World: An Overlay Network for Peer-to-Peer Search (with M. Li and A. Sivasubramaniam), IEEE International Conference on Network Protocols (ICNP’04), Berlin, Germany, October, 2004, pp. 228-238. (~15% acceptance rate). [pdf]
	Exponential Index: A Parameterized Distributed Indexing Scheme for Data on Air (with J. Xu and X. Tang), the Second International Conference on Mobile Systems, Applications, and Services (Mobisys 2004), Boston, MA, June 6-9, 2004, pp. 153-164. (~14% acceptance rate). [pdf]
	Spatial Index on Air (with B. Zheng and D.L. Lee), IEEE International Conference on Pervasive Computing and Communications (PerCom’03), Dallas-Fort Worth, Texas, March 23-26, 2003 pp. 297-304. [pdf]
	Data Management in Location-Dependent Information Services: Challenges and Issues (with D.L. Lee, J. Xu, and B. Zheng), IEEE Pervasive Computing, Vol. 1, No. 3, July-Sept. 2002, pp. 65-72. [pdf]
	Performance Evaluation of a Wireless Hierarchical Data Dissemination System (with Q. Hu and D.L. Lee), ACM/IEEE International Conference on Mobile Computing and Networking (Mobicom99), Seattle, Washington, August 1999, pp. 163-173. [pdf]
	Path Dictionary: A New Approach to Query Processing in Object-Oriented Database (with D.L. Lee), IEEE Transaction on Knowledge and Data Engineering (TKDE), Volume 10, No. 3, May/June 1998, pp. 371-388. [pdf]
	Using Signature Techniques for Information Filtering in Wireless and Mobile Environments (with D.L. Lee), Distributed and Parallel Databases: Special Issue on Database and Mobile Computing, Vol. 4, No. 3, July 1996, pp. 205-227. (Also appears as a chapter in the book, Databases and Mobile Computing, edited by D. Barbara, R. Jain and N. Krishnakumar, Kluwer Academic Publishers, 1996, ISBN: 0792397495.) [pdf]

Last updated on 04/04/08