Publications

Journal

• Ken C. K. Lee, Baihua Zheng, Cindy Chen and Chi-Yin Chow: Efficient Index-based Approaches for Skyline Queries in Location-based Applications. Accepted by IEEE Trans. Knowledge and Data Engineering (TKDE), 09/2012
• Ken C. K. Lee, Wang-Chien Lee, Baihua Zheng and Yuan Tian: ROAD: A New Spatial Object Search Framework for Road Networks. IEEE Trans. Knowledge and Data Engineering (TKDE), 24(3), 547-567, 2012
• Yunjun Gao, Baihua Zheng, Gang Chen, Chun Chen , Qing Li: Continuous Nearest Neighbor Search in the Presence of Obstacles. Accepted by IEEEACM Trans. Database Systems(TODS), 36(2), 9, May, 2011
• Gao Yunjun, Baihua Zheng, Gencai Chen, Qing Li and Xiaofa Guo: Continuous Visible Nearest Neighbor Query Processing in Spatial Databases. VLDB Journal, 20(3), 371-396, 2011
• Xi Guo, Baihua Zheng, Yoshiharu Ishikawa, Yunjun Gao: Direction-based Surrounder Queries for Mobile Recommendations. VLDB Journal, 20(5): 743-766, 2011
• Zhisheng Li, Ken C. K. Lee, Baihua Zheng, Wang-Chien Lee, Dik Lun Lee, and Xufa Wang: IR-tree: An Efficient Index for Geographic Document Search. IEEE Trans. Knowledge and Data Engineering (TKDE), 23(4): 585-599, 2011
• HweeHwa Pang, Xuhua Ding, and Baihua Zheng: Efficient Processing of Exact Top-k Queries over Disk-Resident Sorted Lists. VLDB Journal, 19(3): 437-456, 2010
• Ken C. K. Lee, Wang-chien Lee, Baihua Zheng, Huajing Li and Yuan Tian: Z-SKY: An Efficient Skyline Query Processing Framework Based on Z-Order. VLDB Journal, 19(3): 333-362, 2010
• Yunjun Gao, Baihua Zheng, Gencai Chen, Qing Li, Chun Chen, Gang Chen: Efficient Mutual Nearest Neighbor Query Processing for Moving Object Trajectories. Information Sciences, 180(11): 2176-2195, 2010
• Ken C. K. Lee, Wang-Chien Lee, Hong Va Leong, Brandon Unger, Baihua Zheng: Efficient Valid Scope for Location-Dependent Spatial Queries in Mobile Environments. Journal of Software (JSW), 5(2): 133-145, 2010
• Yunjun Gao, Baihua Zheng, Gencai Chen, Qing Li  and Chun Chen: Algorithms for Constrained k-Nearest Neighbor Queries over Moving Object Trajectories. Geoinformatica, 14(2): 241-276, 2010
• Baihua Zheng, Wang-chien Lee, Peng Liu, Dik Lun Lee and Xuhua Ding: Tuning On-Air Signatures for Balancing Performance and Confidentiality. IEEE Trans. Knowledge and Data Engineering (TKDE), 21(12): 1783-1797, 2009 [pdf]
• Baihua Zheng, Wang-chien Lee, Ken C. K. Lee, Dik Lun Lee and Min Shao: A Distributed Spatial Index for Error-Prone Wireless Data Broadcast. VLDB Journal, 18(4): 959-986, 2009 [pdf]
• Yunjun Gao, Baihua Zheng, Gencai Chen, Wang-Chien Lee, Ken C. K. Lee, and Qing Li: Visible Reverse k-Nearest Neighbor QueryProcessing in Spatial Databases. IEEE Trans. Knowledge and Data Engineering (TKDE),  21(9): 1314-1327, 2009 [pdf]
• Yunjun Gao, Baihua Zheng, Gencai Chen, and Qing Li: Optimal-Location-Selection Query Processing in Spatial Databases. IEEE Trans. Knowledge and Data Engineering (TKDE),  21(8):1162-1177, 2009 [pdf]
• Guojie Song, Bin Cui, Baihua Zheng, Kunqing Xie and Dongqing Yang: Accelerating Sequence Searching: Dimensionality Reduction Method. Knowledge and Information Systems (KAIS), 20(3): 301-322, 2009
• Yunjun Gao, Baihua Zheng, Gencai Chen, and Qing Li: On Efficient Mutual Nearest Neighbor Query Processing in Spatial Databases. Data & Knowledge Engineering (DKE),  68(8): 705-727, 2009 [pdf]
• Ken C. K. Lee, Baihua Zheng, and Wang-chien Lee: Ranked Reverse Nearest Neighbor Search. IEEE Trans. on Knowledge and Data Engineering (TKDE), 20(7): 894-910, July, 2008 [pdf]
• Ken C. K. Lee, Josh Schiffman, Baihua Zheng, and Wang-chien Lee: Round-Eye: A System for Tracking Nearest Surrounders in Moving Object Environments. Journal of System and Software (JSS), 80(12): 2063-2076, December, 2007
• Ken C. K. Lee, Baihua Zheng, Wang-chien Lee, and Julian Winter: Materialized In-Network View for Spatial Aggregation Queries in Wireless Sensor Network. ISPRS Journal of Photogrammetry and Remote Sensing, 62(5)): 382-402, October, 2007
• Baihua Zheng, Wang-chien Lee, Dik Lun Lee: On Searching Continuous Nearest Neighbors in Wireless Data Broadcast Systems", IEEE Transactions on Mobile Computing (TMC), 6(7): 748-761, July, 2007 [pdf]
• Baihua Zheng, Jianliang  Xu, Wang-chien Lee, and Dik Lun Lee: Grid-Partition Index: A Hybrid Approach to Nearest-Neighbor Queries in Wireless Location-Based Services. The VLDB Journal, 15(1):21-39, January, 2006 [pdf]
• Baihua Zheng and Dik Lun Lee: Information Dissemination via Wireless Broadcast. Communications of the ACM, 48(5): 105-110, May, 2005 [pdf]
• Baihua Zheng, Wang-chien Lee, and Dik Lun Lee: Spatial Queries in Wireless Broadcast Systems. Wireless Network, 10(6): 723-736, December, 2004 [pdf]
• Baihua Zheng, Wang-chien Lee, and Dik Lun Lee: On Semantic Caching and Query Scheduling for Mobile Nearest-Neighbor Search.  Wireless Network, 10(6): 653-664, December, 2004 [pdf]
• Jianliang Xu, Baihua Zheng, Wang-chien Lee, and Dik Lun Lee: The D-tree: An Index Structure for Planar Point Queries in Location-Based Wireless Services. IEEE Trans. on Knowledge and Data Engineering (TKDE),  16(12): 1526-1542,December, 2004 [pdf]
• Baihua Zheng, Jianliang Xu, and Dik Lun Lee:  Cache Invalidation and Replacement Strategies for Location-Dependent Data in Mobile Environments. IEEE Trans. on Computers, Special Issue on Database Management and Mobile Computing, 51(10): 1141-1153,  October 2002  [pdf]
• Dik Lun Lee, Wang-chien Lee, Jianliang Xu, and Baihua Zheng: Data Management in Location-dependent Information Services: Challenges and Issues, IEEE Pervasive Computing, 1(3): 65-72, July-September, 2002 [pdf]

Conference

• Yazhe Wang, Long Xie, Baihua Zheng, and Ken C. K. Lee: Utility-Oriented K-Anonymization on Social Networks. Accepted by Proc. the 16^th International Conference on Database Systems for Advanced Application (DASFAA'11), Hong Kong, April 9-12
• Baihua Zheng, Wang-Chien Lee, Ken C. K. Lee, Julian Winter and Meng-Chang Chen: DISQO: A DIStributed Framework for Spatial Queries over Moving Objects. Proc.  the 39th International Conference on Parallel Processing (ICPP'10), September 13-16, San Diego, USA: 411- 423
• Yunjun Gao and Baihua Zheng: Continuous Obstructed Nearest Neighbor Queries in Spatial Databases. Proc. the 28th ACM SIG-MOD International Conference of Management of Data (Sigmod'09), June 29- July 02, Providence, Rhode Island, USA: 577-590 [pdf]
• Weiwei Sun, Ping Yu, Yongrui Qin, Zhuoyao Zhang and Baihua Zheng: Two-Tier Air Indexing for On-Demand XML Data Broadcast. Proc. the 29th International Conference on Distributed Computing Systems (ICDCS’09), June 22-26, Montreal, Quebec, Canada: 199-206
• Ken C. K. Lee, Wang-Chien Lee, Hong Va Leong, and Baihua Zheng: Navigational path privacy protection: navigational path privacy protection. Proc. the 18th ACM Conference on Information and Knowledge Management (CIKM'09). Nov 2-6, 2009, Hong Kong: 691-700
• Yunjun Gao, Baihua Zheng, Gencai Chen, Wang-Chien Lee, Ken C. K. Lee, and Qing Li: Visible Reverse k-Nearest Neighbor Queries (short paper). Proc. the 25th International Conference on Data Engineering (ICDE’09), March 29 - April 4, 2009, Shanghai, China [pdf]
• Ken C. K. Lee, Wang-Chien Lee, Hong Va Leong and Baihua Zheng: OPAQUE: Protecting Path Privacy in Directions Search (short paper). Proc. the 25th International Conference on Data Engineering (ICDE’09), March 29 - April 4, 2009, Shanghai, China [pdf]
• Yunjun Gao, Baihua Zheng, Wang-Chien Lee and Gencai Chen: Continuous Visible Nearest Neighbor Queries. Proc. the 12th International Conference on Extending Database Technology (EDBT'09), March 23-26 2009, Saint-Petersburg, Russia: 144-155 [pdf]
• Ken C. K. Lee, Wang-Chien Lee, and Baihua Zheng: Fast Object Search on Road Networks. Proc. the 12th International Conference on Extending Database Technology (EDBT'09), March 23-26 2009, Saint-Petersburg, Russia: 1018-1029[pdf]
• Ken C. K. Lee, Wang-Chien Lee, Hong Va Leong, Brandon Unger and Baihua Zheng: Efficient Valid Scope Computation for Location-Dependent Spatial Queries in Mobile and Wireless Environments. Proc. the 3th International Conference on Ubiquitous Information Management and Communication (ICUIMC’09), January 15-16, 2009, SKKU, Suwon, Korea: 131-140
• Ken C. K. Lee, Josh Schiffman, Baihua Zheng, and Wang-Chien Lee: Valid Scope Computation for Loca-tion-Dependent Spatial Query in Mobile Broadcast Environments. Proc. the ACM 17th Conference on In-formation and Knowledge Management (CIKM'08). October 26-30, 2008, Napa Valley, California: 1231-1240
• Ken C. K. Lee, Wang-Chien Lee, and Baihua Zheng: ROAD: An Efficient Framework for Location De-pendent Spatial Queries on Road Networks (poster). Proc. the ACM 17th Conference on Informa-tion and Knowledge Management (CIKM'08), October 26-30, 2008, Napa Valley, California:1327-1328
• Ken C. K. Lee, Wang-Chien Lee, Donna Peuquet, and Baihua Zheng: Searching Correlated Objects in a Long Sequence. Proc. the 20th International Conference on Scientific and Statistical Database Man-agement (SSDBM'08), July 9-11, Hong Kong, China : 436-454
• Yunjun Gao, Gencai Chen, Qing Li, Baihua Zheng, and Chun Li: Processing Mutual Nearest Neighbor Queries for Moving Object Trajectories. Proc. the 9th International Conference on Mobile Data Manage-ment (MDM'08), April 26-30, Beijing, China: 116-123
• Baihua Zheng, Ken C. K. Lee, and Wang-Chien Lee: Location-Dependent Skyline Query. Proc. the 9th International Conference on Mobile Data Management (MDM'08), April 26-30, Beijing, China: 148-155
• Guojie Song, Bin Cui, Baihua Zheng, Kunqing Xie, and Dongqing Yang: Squeezing Long Sequence Data for Efficient Similarity Search. Proc. 10th Asia-Pacific Web Conference (APWeb'08), April 26-28, Shen-yang, China: 438-449
• Xiao Zhang, Wang-Chien Lee, Prasenjit Mitra, and Baihua Zheng: Processing TNN Query in Multi-Channel Access Environment, Proc. the 11th International Conference on Extending Database Technology (EDBT'08), March 25-30 2008, Nantes, France: 452-463
• Ken C. K. Lee, Baihua Zheng, Wang-chien Lee, and Huajing Li: Approaching the Skyline in Z Order. Proc. the 33rd International Conference on Very Large Data Bases (VLDB'07), University of Vienna, Aus-tria, September 23-28, 2007: 279-290
• Guojie Song, Dongqing Yang, Bin Cui, Baihua Zheng, and Tengjiao Wang: CLAIM: An Efficient Method for Relaxed Frequent Closed Itemsets Mining over Stream Data. Proc. the 12th International Conference on Database Systems for Advanced Application (DASFAA'07), Bangkok, Thailand, April 9-12, 2007: 664-675
• Xuhua Ding, Shuhong Wang, and Baihua Zheng: Secure Real-time User Preference Collection for Broad-cast Scheduling. Proc. the 2nd International Conference on Security and Privacy in Communication Networks (SecureComm'06), Baltimore, MD, USA, August 28 - Sep. 1, 2006
• Ken C. K. Lee, Josh Schiffman, Baihua Zheng, Wang-chien Lee, and Hong Va Leong: Tracking Nearest Surrounders in Moving Object Environments. Proc. the IEEE International Conference on Pervasive Ser-vices(ICPS'06), Lyon, France, June 26-29, 2006: 3-12
• Ken C. K. Lee, Wang-chien Lee, Julian Winter, Baihua Zheng, and Jianliang Xu: CS Cache Engine: Data Access Accelerator for Location-Based Service in Mobile Environments (demo). Proc. the 25th ACM SIG-MOD International Conference of Management of Data (Sigmod'06), Chicago, IL, USA, June 6-9, 2006: 787-789.
• Baihua Zheng, Ken C. K. Lee, and Wang-chien Lee: Transitive Nearest Neighbor Search in Mobile Environments. Proc. the IEEE International Conference on Sensor Networks, Ubiquitous, and Trustworthy Computing (SUTC'06), Taichung, Taiwan, June 5-7, 2006: 14-21
• Ken C. K. Lee, Wang-chien Lee, Baihua Zheng, and Julian Winter: Processing Multiple Aggregation Que-ries in Geo-Sensor Networks. Proc. the 11th International Conference on Database Systems for Advanced Application (DASFAA'06), Singapore, April 12-15, 2006:
• Ken C. K. Lee, Wang-chien Lee, Baihua Zheng, and Jianliang Xu: Caching Complementary Space for Location-Based Services. Proc. the 10th International Conference on Extending Database Technology (EDBT'06), Munich, Germany, March 26-30, 2006: 1020-1038
• Qingzhao Tan, Wang-chien Lee, Baihua Zheng, Peng Liu, and Dik Lun Lee: Balancing Performance and Confidentiality in Air Index. Proc. the ACM Fourteenth Conference on Information and Knowledge Man-agement (CIKM'05), Bremen, Germany, October 31 – November 5, 2005: 800-807
• Wang-chien Lee and Baihua Zheng: DSI: A Fully Distributed Spatial Index for Wireless Data Broadcast. Proc. the 25th International Conference on Distributed Computing Systems (ICDCS'05), Columbus, OH, USA, June 6-9, 2005: 349-358 [pdf]
• Baihua Zheng, Xia Wu, Xing Jin, and Dik Lun Lee: TOSA: A Near-Optimal Scheduling Algorithm for Multi-Channel Data Broadcast. Proc. the 6th International Conference on Mobile Data Management (MDM'05), Ayia Napa, Cyprus, May 9-13, 2005[pdf]
• Haobi Hu, Jianliang Xu, Wing Sing Wong, Baihua Zheng, Dik Lun Lee, and Wang-chien Lee: Proactive Caching for Spatial Queries in Mobile Environments. Proc. the 21th IEEE International Conference on Data Engineering (ICDE'05), Tokyo, Japan, April 5-8, 2005: 403-414
• Wang-chien Lee and Baihua Zheng: A Fully Distributed Spatial Index for Wireless Data Broadcast (poster). Proc. the 21th IEEE International Conference on Data Engineering (ICDE'05), Tokyo, Japan, April 5-8, 2005: 417-418
• Baihua Zheng, Wang-chien Lee, and Dik Lun Lee: Search Continuous Nearest Neighbor on Air. Proc. The First International Conference on Mobile and Ubiquitous Systems: Networking and Services (MobiQ-uitous'04), Boston, Massachusetts, August 22-26, 2004: 236-245[pdf]
• Baihua Zheng, Jianliang Xu, Wang-chien Lee, and Dik Lun Lee: Energy-Conserving Air Indexes for Nearest Neighbor Search. Proc. the 9th International Conference on Extending Database Technology (EDBT'04), Greece, March 14-18, 2004: 48-66 [ps]
• Baihua Zheng, Wang-chien Lee, and Dik Lun Lee: Spatial Index On Air. Proc. the 1st IEEE International Conference on Pervasive Computing and Communications (PerCom'03), Dallas-Fort Worth, Texas, March 23-26, 2003: 297-304 [pdf]
• Baihua Zheng, Wang-chien Lee, and Dik Lun Lee: Selecting the Best Valid Scopes for Wireless Dissemination of Location-dependent Data. Proc. the 18th ACM Symposium on Applied Computing (SAC'03), Melbourne, Florida, USA, March 9-12, 2003: 860-865 [pdf]
• Jianliang Xu, Baihua Zheng, Wang-chien Lee, and Dik Lun Lee: The D-tree: A New Index Structure for Querying Location-Dependent Data. Proc. the 19th IEEE International Conference on Data Engineering (ICDE'03), Bangalore, India, March 5-8, 2003: 239-250
• Baihua Zheng, Wang-chien Lee, and Dik Lun Lee: Search K-Nearest Neighbors On Air. Proc. the 4th International Conference on Mobile Data Management (MDM'03), Melbourne, Australia, January 21-24, 2003: 181-195  [pdf]
• Baihua Zheng, and Dik Lun Lee: Semantic Caching in Location-Dependent Query Processing. Proc. the 7th International Symposium on Spatial and Temporal Databases (SSTD'01), LA, California, July, 2001:97-116 [pdf]
• Baihua Zheng, and Dik Lun Lee: Processing Location-dependent Queries In a Multi-cell Wireless Environment. Proc. the 2nd ACM International Workshop on Data Engineering for Wireless and Mobile Access (MobiDE'01), Santa Barbara, CA, USA, May, 2001: 54-65 [pdf] 
  

Invited Book Chapter and Invited Paper

• Baihua Zheng: Air indexes for spatial databases. Encyclopedia of Database Systems, Özsu, M. Tamer and Liu, Ling, Springer, 2009 [pdf]
• Wee Hyong Tok, Stephane Bressan, Panagiotis Kalnis, and Baihua Zheng: Spatial Data on the Move. Handbook of Research on Mobile Multimedia, Ismail Khalil Ibrahim, Idea Group Publishing, 2006
• Jianliang Xu , Haibo Hu, Xueyan Tang, and Baihua Zheng: Mobile Cache Management. Wireless Information Highways, D. Katsaros, A. Nanopoulos, and Y. Manolopoulos, Eds., Idea Group Publishing, 2005.
• Jianliang Xu, Baihua Zheng, Manli Zhu, and Dik Lun Lee: Research Challenges in Information Access and Dissemination in a Mobile Environment. Proc. Pan-Yellow-Sea International Workshop on Information Technologies for Network Era (PYIWIT'02), Saga, Japan, March, 2002:1-8  [ps]

Tutorial

• Jianliang Xu, Baihua Zheng, and Wang-chien Lee: Data Access Techniques in Location-Based Services. The 7th International Conference on Mobile Data Management (MDM'06), Nara, Japan, May 10-12, 2006
• Baihua Zheng, Jianliang Xu, Wang-chien Lee: Data Management in Location-dependent Information Services.  The 20th IEEE Int. Conf. on Data Engineering (ICDE'04), Boston, MA, March 30 - April 2, 2004.

Previous Publication (in Chinese)

• Baihua Zheng, QianLong Yuan: Information Delivery, Event-Driven and Distributed Workflow Systems. Computer World, May, 1999 [asp]
• Baihua Zheng, Zhaohui Wu: Business Process Reorganization (BPS) and its Support Technologies.  Computer Science, 26(10): 37-40, 1999