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Journal papers awaiting publication:

  1. 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), in Preprint http://csdl2.computer.org/persagen/DLAbsToc.jsp?resourcePath=/dl/trans/tq/&toc=comp/trans/tq/5555/01/q1toc.xml&DOI=10.1109/TDSC.2008.12.

  2. Workload Analysis for Scientific Literature Digital Libraries (with  H. Li, A. Sivasubramaniam, C. L. Giles), International Journal of Digital Libraries (IJDL), Special Issue on Very Large Digital Library, to appear.

  3. In-broker Access Control: Towards Efficient End-to-End Performance of Information Brokerage Systems (with F. Li, B. Luo, P. Liu, D.W. Lee, P. Mitra, C.-H. Chu), International Journal on Intelligent Control and Systems, Special Session on Information Assurance, to appear.

2009

  1. OPAQUE:  Protecting Path Privacy in Directions Search  (with K. Lee, B. Zheng, H. Leong), IEEE International Conference On Data Engineering (ICDE 2009), Shanghai, China, March 29 - April 4, 2009, to appear.

  2. Visible Reverse k-Nearest Neighbor Queries  (with Y. Gao, B. Zheng, G. Chen, K. Lee, Q. Li), IEEE International Conference On Data Engineering (ICDE 2009), Shanghai, China, March 29 - April 4, 2009, to appear.

  3. Fast Object Search on Road Networks (with K. Lee and B. Zheng), International Conference on Extending Database Technology (EDBT 2009), Saint-Petersburg, Russia, March 24-26, 2009, to appear. 

  4. Continuous Visible Nearest Neighbor Queries  (with Y. Gao, B. Zheng, and G. Chen), International Conference on Extending Database Technology (EDBT 2009), Saint-Petersburg, Russia, March 24-26, 2009, to appear. 

  5. Processing Probabilistic Spatio-Temporal Range Queries over Moving Objects with Uncertainty  (with B. Chung and A. Chen), International Conference on Extending Database Technology (EDBT 2009), Saint-Petersburg, Russia, March 24-26, 2009, to appear. 

2008

  1. 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), Volume 19, No. 12, Dec. 2008, pp. 1683-1694. [pdf]

  2. Energy-Aware and Time-Critical Geo-Routing in Wireless Sensor Networks (with Y. Xu, J. Xu and G. Mitchell), International Journal of Distributed Sensor Networks (IJDSN), Volume 4, No. 4, pp. 315-346. [pdf]

  3. Personalized Ranking for Digital Libraries Based on Log Analysis (with Y. Sun, H. Li, I. Councill, J. Huang, and C.L. Giles , ACM 10th ACM International Workshop on Web Information and Data Management (WIDM 2008),  Napa Valley, California, October 26-30, 2008, to appear.

  4. Efficient Rule-Based WiFi Localization Methods (with Q. Chen and D. Lee), IEEE International Conference On Embedded and Ubiquitous Computing (EUC 2008), Shanghai,China, Dec. 17-20, 2008, to appear.

  5. Mining Community Structures in Peer-to-Peer Environments (with C.-H. Yu and W.-C. Peng), IEEE International Conference on Parallel and Distributed Systems (ICPADS 2008), Melbourne, Victoria, Australia, Dec. 8-10, 2008, to appear.

  6. Scalable Community Discovery on Textual Data with Relations (with H. Li, Z. Nie, C. Giles, J.-R. Wen), ACM 17th Conference on Information and Knowledge Management (CIKM 2008), Napa Valley, California, October 26-30, 2008, to appear. (17% acceptance rate)

  7. Valid Scope Computation for Location-Dependent Spatial Query in Mobile Broadcast Environments (with C.K.  Lee, J. Schiffman, B. Zheng), ACM 17th Conference on Information and Knowledge Management (CIKM 2008), Napa Valley, California, October 26-30, 2008, to appear. (17% acceptance rate)

  8. ROAD: An Efficient Framework for Location Dependent Spatial Queries on Road Networks (with C.K.  Lee, B. Zheng), ACM 17th Conference on Information and Knowledge Management (CIKM 2008), Napa Valley, California, October 26-30, 2008, to appear. (Poster)

  9. Efficient Processing of Probabilistic Spatio-Temporal Range Queries over Moving Objects (with B. Chung, A. Chen), ACM 17th Conference on Information and Knowledge Management (CIKM 2008), Napa Valley, California, October 26-30, 2008, to appear. (Poster)

  10. Measuring the Stability of User Preferences (with Y. Sun, H. Li, I. Councill, C. Giles), ACM 17th Conference on Information and Knowledge Management (CIKM 2008), Napa Valley, California, October 26-30, 2008, to appear. (Poster)

  11. Supporting K Nearest Neighbors Query on High-Dimensional Data in P2P Systems (with M. Li, A. Sivasubramaniam, J. Zhao), International Journal of Frontiers of Computer Science in China, Volume 2, Higher Education Press and Springer-Verlag, 2008, pp. 234-247. 

  12. On Distributed Query Processing in Flash-based Sensor Networks, (with J. Xu, X. Tang), International Journal of Frontiers of Computer Science in China, Volume 2, Higher Education Press and Springer-Verlag, 2008, pp. 248-256.

  13. Exploiting Spatial and Data Correlations for Approximate Data Collection in Wireless Sensor Networks (with C.-C. Hung, W.-C. Peng, Y. Tsai), the Second International Workshop on Knowledge Discovery from Sensor Data (Sensor-KDD 2008), Las Vegas, August 2008, to appear.

  14. Ranked Reverse Nearest Neighbor Search (with C.K. Lee and B. Zheng), IEEE Transactions on Knowledge and Data Engineering (TKDE), Volume 20, No. 7, July 2008, pp. 894-910. [pdf]

  15. 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 20-24, 2008.

  16. Searching Correlated Objects in a Long Sequence (with K. Lee, B. Zheng, D. Peuguet), International Conference on Scientific and Statistical Database Management (SSDBM 2008), Hong Kong, July 9-11, 2008, pp. 436-454. [pdf]

  17. 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), Volume 19, No. 6, June 2008, pp. 735-749. [pdf]

  18. Identifying Frequent Items in P2P Systems (with M. Li), International Conference on Distributed Computing Systems (ICDCS 2008), Beijing, China, June, 2008.

    19.

  19. 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.

  20. CME: A Contour Mapping Engine in Wireless Sensor Networks,  (with Y. Xu and G. Mitchell), International Conference on Distributed Computing Systems (ICDCS 2008), Beijing, China, June, 2008.

  21. Location-Dependent Skyline Query (with B. Zheng and K. Lee), the Ninth International Conference on Mobile Data Management (MDM 2008), Beijing, China, April 27-30, 2008.

  22. Processing Transitive Nearest Neighbor Queries in Multi-Channel Access Environments (with Xiao Zhang, Prasnjit Mitra, and B. Zheng), International Conference on Extending Database Technology (EDBT 2008), Nantes, France, March 25-30 2008, pp. 452-463.

  23. Clustering Data in Peer-to-Peer Systems (with Mei Li), Encyclopedia of Data Warehousing and Mining (Second Edition), Edited by J. Wang, Idea Group, Inc.

  24. 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]

  25. Pervasive Data Access in Wireless and Mobile Computing Environments (with C.K. Lee and S. Madria), Wireless Communication and Mobile Computing Journal, Volume 8, No. 1, pp. 25-44.

2007

  1. Round-Eye: A System for Tracking Nearest Surrounders in Moving Object Environments (with K. Lee, J. Schiffman, B. Zheng and H. Leong), The Journal of Systems & Software, Volume 80, Issue 12, December 2007, pp. 2063-2076. [pdf]

  2. 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]

  3. Materialized In-Network View for Spatial Aggregation Queries in Wireless Sensor Network (with C.K. Lee, B. Zheng and J. Winter), ISPRS Journal of Photogrammetry and Remote Sensing, Volume 62, Issue 5, October 2007, pp. 382-402. [pdf]

  4. 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]

  5. Processing k nearest neighbor queries in location-aware sensor networks, (with Y. Xu, T.-Y. Fu, J. Winter), Signal Processing, Volume 87, Number 12, pp. 2861-2881. [pdf]

  6. Path Gluing: A New Technique for Efficient XML Query Processing (with Y.-H. Chang and C.T. Lee), Journal of Information Science and Engineering (JISE), Volume 23, Number 5, September 2007, pp. 1523-1540. [pdf]

  7. 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]

  8. A Hybrid Cache and Prefetch Mechanism for Scientific Literature (with H. Li, A. Sivasubramaniam, C. L. Giles), International Conference on Web Engineering (ICWE 2007), Como, Italy, July 16-20, 2007, pp. 121-136. [pdf]

  9. 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, No. 6, June 2007, pp. 962-976. [pdf]

  10. Cache Invalidation Strategies for Internet-based Mobile Ad Hoc Networks Computer Communications (with S. Lim, G. Cao, C. Das), Computer Communications Journal, Volume 30, No. 8, June 2007, pp. 1854-1869. [pdf]

  11. Using SensorRanks for In-Network Detection of Faulty Readings in Wireless Sensor Networks (with X.-Y. Hsiao W.-C. Peng, and C.-C. Hung), the Sixth ACM Workshop on Data Engineering for Wireless and Mobile Access (MobiDE'07), Baijing, China, June 2007, 8 pages. [pdf]

  12. SearchGen: a Synthetic Workload Generator for Scientific Literature Digital Libraries and Search Engines (with H. Li, A. Sivasubramaniam, C. L. Giles), ACM/IEEE Joint Conference on Digital Libraries (JCDL'07), Vancouver, British Columbia, Canada, June 2007, pp. 137-146. [pdf]

  13. 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]

  14. Compressing Moving Object Trajectory in Wireless Sensor Networks (with Y. Xu), International Journal of Distributed Sensor Networks (IJDSN), Volume 3, Issue 2, April 2007, pp. 151-174. [pdf]

  15. Incremental Adaptation of XPath Access Control Views (with P. Ayyagari, P. Mitra, D. Lee, and P. Liu), the Second ACM Symposium on InformAtion, Computer and Communications Security (ASIACCS'07), Singapore, March 2007, pp. 105-116. [pdf]  (~18% acceptance rate)

  16. Optimizing Energy-Efficient Query Processing in Sensor Networks (with R. Rosemark and B. Urgaonkar), the Eighth International Conference on Mobile Data Management (MDM’07), Mannheim, Germany, May 7-11, 2007, 6 pages. [pdf].

  17. Protect Moving Trajectories with Dummies (with T.H. You and W.-C. Peng), The International Workshop on Privacy-Aware Location-based Mobile Services (PALMS), Mannheim, Germany, May 11, 2007, 5 pages, [pdf].

  18. Query Processing in Mobile Sensor Networks, NSF Workshop on Data Management for Mobile Sensor Networks (MobiSensors), Pittsburgh, January 16-17, 2007, Position Paper. [pdf]

  19. Performance Evaluation of Neighborhood Signature Techniques for Peer-to-Peer Search (with M. Li and A. Sivasubramaniam), Journal of Computers, Volume 17, Issue 4, January 2007, pp. 11-36. [pdf]

2006

  1. 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)

  2.  A New Trajectory Indexing Scheme for Moving Objects on Road Networks (with J.-W. Chang and J.-H. Um), the 23rd British National Conference on Databases (BNCOD 2006), Belfast, Northern Ireland, UK, July 2006, pp. 291-294. [pdf] (Poster Paper)

  3. Tracking Nearest Surrounders in Moving Object Environments (with K. Lee, J. Schiffman, B. Zheng, H. Leong), IEEE International Conference on Pervasive Services (ICPS’06), Lyon, France, June 2006, pp. 3-12. [pdf] (21% acceptance rate)

  4. CiteSeerX: an Architecture and Web Service Design for an Academic Document Search Engine (with H. Li, I. Councill, L. Giles),  the International World Wide Web Conference (WWW'06), Edinburgh, Scotland, May 23-26, 2006, pp. 187-188. [pdf] (Poster Paper)

  5. Learning Metadata from the Evidence in an On-Line Citation Matching Scheme (with Isaac G. Councill, Huajing Li, Ziming Zhuang, Sandip Debnath, Levent Bolelli, Anand Sivasubramaniam, C. Lee Giles), ACM/IEEE Joint Conference on Digital Libraries (JCDL'06), Chapel Hill, NC, USA, June 11-15, 2006, pp. 276-285. (Vannevar Bush Best Paper Candidate). [pdf] (28/107 ~ 26% acceptance rate)

  6. CS Cache Engine: Data Access Accelerator for Location-Based Service in Mobile Environments (with C.K. Lee, J. Winter, B. Zheng, J. Xu), ACM SIGMOD International Conference on Management of Data (SIGMOD'06), Chicago, June 2006, pp. 787-789. [pdf]  (Demonstration Paper)

  7. Transitive Nearest Neighbor Search in Mobile Environments (with B. Zheng and C.K. Lee), IEEE International Conference on Sensor Networks, Ubiquitous, and Trustworthy Computing (SUTC'06), Taichung, Taiwan, June 2006, pp. 14-21. [pdf] (~24% acceptance rate)

  8. In-Broker Access Control: Towards Efficient End-to-End Performance of Information Brokerage Systems (with F. Li, B. Luo, P. Liu, D.W. Lee, P. Mitra, C.-H. Chu), IEEE International Conference on Sensor Networks, Ubiquitous, and Trustworthy Computing (SUTC'06), Taichung, Taiwan, June 2006, pp. 252-259. [pdf] (~24% acceptance rate)

  9. DTTC: Delay-Tolerant Trajectory Compression for Object Tracking Sensor Networks (with Y. Xu), IEEE International Conference on Sensor Networks, Ubiquitous, and Trustworthy Computing (SUTC'06), Taichung, Taiwan, June 2006, pp. 438-443. [pdf] (~24% acceptance rate)

  10. On Mining Moving Patterns for Object Tracking Sensor Networks (with W.-C. Peng and Y.-Z. Ko), the Seventh International Conference on Mobile Data Management (MDM’06), Nara, Japan, May 10-12, 2006, 4 pages. [pdf]

  11. PENS: an Algorithm for Density-Based Clustering in Peer-to-Peer Systems (with M. Li, G. Lee, and A. Sivasubramaniam), International Conference on Scalable Information Systems (INFOSCALE’06), Hong Kong, May 2006, 8 pages [pdf]. (~36% acceptance rate)

  12. Efficient Progressive Processing of Skyline Queries for Peer-to-Peer Systems (with H. Li, Q. Tan), International Conference on Scalable Information Systems (INFOSCALE’06), Hong Kong, May 2006, 8 pages. [pdf] (~36% acceptance rate)

  13. CiteSeerX - A Scalable Autonomous Scientific Digital Library (with H. Li, I. Councill, L. Bolelli, D. Zhou, Y. Song, A. Sivasubramaniam, L. Giles), International Conference on Scalable Information Systems (INFOSCALE’06), Hong Kong, May 2006, 8 pages. [pdf] (~36% acceptance rate)

  14. 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)

  15. Processing Multiple Aggregation Queries in Geo-Sensor Networks (with C.K. Lee, B. Zheng, and J. Winter), the Eleventh International Conference on Database Systems for Advanced Applications (DASFAA'06), Singapore, April 2006, to appear.  [pdf] (~24% acceptance rate)

  16. 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)

  17. 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)

  18. Monitoring Top-k Query in Wireless Sensor Networks (with M. Wu, J. Xu, and X. Tang), IEEE International Conference on Data Engineering (ICDE’06), Atlanta, GA, April 2006, 3 pages. (Poster paper) [pdf]

  19. 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, Issue 3, March 2006, pp. 392-404. [pdf]

  20. 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)

  21. A Novel Caching Scheme for Improving Internet-based Mobile Ad Hoc Networks Performance, (with S. Lim, G. Cao, and C. Das), Ad Hoc Networks Journal, Volume 4, Issue 2. 2006, pp. 225-239. [pdf]

  22. 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]

  23. 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]

2005

  1. PSGR: Priority-based Stateless Geo-Routing in Wireless Sensor Networks (with Y. Xu, J. Xu, and G. Mitchell), the Second IEEE International Conference on Mobile Ad-hoc and Sensor Systems (MASS'05), Washington D.C., November, 2005, 8 pages. [pdf]

  2. An Efficient Trajectory Index Structure for Moving Objects in Location-Based Services (with J. Chang and J. Um), the First International Workshop on Semantic-based Geographical Information Systems, in conjunction with On The Move Federated Conferences (OTM'05), Agia Napa, Cyprus, Nov 2005, pp.  1107-1116. (also appeared as Lecture Notes in Computer Science, Volume 3762, Publisher: Springer-Verlag GmbH. [pdf]

  3. Balancing Performance and Confidentiality in Air Index (with Q. Tan, B. Zheng, P. Liu, D.L. Lee), ACM Fourteenth Conference on Information and Knowledge Management (CIKM'05), Breman, Germany, October 2005, pp. 800-807. (~18% acceptance rate) [pdf]

  4. EASE: An Energy-Efficient In-Network Storage Scheme for Object Tracking in Sensor Networks (with J. Xu and X. Tang), the Second IEEE Communications Society Conference on Sensor and Ad Hoc Communications and Networks (SECON'05), Santa Clara, California, September 2005, 10 pages. (~27% acceptance rate) [pdf]

  5. Decentralizing Query Processing in Sensor Networks (with R. Rosemark), the Second International Conference on Mobile and Ubiquitous Systems: Networking and Services (Mobiquitous'05), San Diego, CA, July, 2005, pp. 270-280. [pdf]

  6. Energy Efficient Processing of K Nearest Neighbor Queries in Location-aware Sensor Networks (with J. Winter and Y. Xu), the Second International Conference on Mobile and Ubiquitous Systems: Networking and Services (Mobiquitous'05), San Diego, CA, July, 2005, pp. 281-292. [pdf]

  7. KTR: an Efficient Key Management Scheme for Air Access Control” (with Q. Gu, P. Liu, and C.-H. Chu), poster paper the Second International Conference on Mobile and Ubiquitous Systems: Networking and Services (Mobiquitous'05), San Diego, CA, July, 2005, pp. 499-501. [pdf]

  8. Deep Set Operators for XQuery (with B. Luo, D.W. Lee, P. Liu), International Workshop on XQuery Implementation, Experience and Perspectives (XIME-P'05), Baltimore, Maryland, May 2005, 7 pages. [pdf]

  9. 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]

  10. Supporting Complex Multi-dimensional Queries in P2P Systems (with B. Liu and D.L. Lee), IEEE International Conference on Distributed Computing Systems (ICDCS’05), Columbus, OH, June, 2005, pp. 155-164. (~14% acceptance rate). [pdf]

  11. Distributed Caching of Multi-dimensional Data in Mobile Environments (with B. Liu and D.L. Lee), the Sixth International Conference on Mobile Data Management (MDM’05), Ayia Napa, Cyprus, May 9-13, 2005, pp. 229-233. [pdf]

  12. Proactive Caching for Spatial Queries in Mobile Environments (with H. Hu, J. Xu, W.S. Wong, B. Zheng, and D.L. Lee), IEEE International Conference on Data Engineering (ICDE’05), Tokyo, April, 2005, pp. 403-414. (~14% acceptance rate). [pdf]

  13. A Fully Distributed Spatial Index for Wireless Data Broadcast (with B. Zheng), IEEE International Conference on Data Engineering (ICDE’05), Tokyo, April, 2005, pp. 417-418. (Poster: ~19% acceptance rate). [pdf]

2004

  1. Window Query Processing in Highly Dynamic GeoSensor Networks: Issues and Solutions (with Y. Xu) , GeoSensor Networks, edited by A. Stefanidis and S. Nittel, CRC Press LLC., 2004, ISBN: 0-41532-404-1, pp. 31-52. [pdf]

  2. 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]

  3. QFilter: Fine-Grained Run-Time XML Access Control via NFA-based Query Rewriting (with B. Luo, D.W. Lee, and P. Liu), the thirteen ACM International Conference on Information and Knowledge Management (CIKM’04), Washington D.C., Nov. 8-13, 2004, pp. 543-552. (~19% acceptance rate). [pdf]

  4. Spatial Queries in Wireless Broadcast Systems (with B. Zheng and D.L. Lee), ACM Wireless Networks Journal (WINET), Volume 10, Issue 6. November 2004, pp. 723-736. [pdf]

  5. On Semantic Caching and Query Scheduling for Mobile Nearest Neighbor Search (with B. Zheng and D.L. Lee), ACM Wireless Networks Journal (WINET), Volume 10, Issue 6. November 2004, pp. 653-664. [pdf]

  6. Performance Comparison of Cache Invalidation Strategies for Internet-based Mobile Ad Hoc Networks (with S. Lim, G. Cao, and C. Das), the first IEEE International Conference on Mobile Ad-hoc and Sensor Systems (MASS'04), Fort Lauderdale, Florida, USA, October 25-27, 2004, pp. 104-113. (Best Paper Candidate) [pdf]

  7. 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. (~14% acceptance rate). [pdf]

  8. KPT: A Dynamic KNN Query Processing Algorithm for Location-aware Sensor Networks (with J. Winter), International Workshop on Data Management for Sensor Networks (DMSN'04), Toronto, Canada, August 2004, pp. 119-125. [pdf]

  9. A Flexible Framework for Architecting XML Access Control Enforcement Mechanisms, (with B. Luo, D. Lee, and P. Liu), International Workshop on Secure Data Management in a Connected World (SDM'04), Toronto, Canada, August 2004, pp. 141-155. [pdf]

  10. Dual Prediction-based Reporting Mechanism for Object Tracking Sensor Networks (with Y. Xu and J. Winter), the First International Conference on Mobile and Ubiquitous Systems: Networking and Services (Mobiquitous'04), Boston, MA, August 22-26, 2004, pp. 154-163. [pdf]

  11. Search Continuous Nearest Neighbors on the Air (with B. Zheng and D.L. Lee), the First International Conference on Mobile and Ubiquitous Systems: Networking and Services (Mobiquitous'04), Boston, MA, August 22-26, 2004, pp. 236-245. [pdf]

  12. 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'04), Boston, MA, June 6-9, 2004, pp. 153-164. (~14.2% acceptance rate). [pdf]

  13. A Small World Overlay Network for Semantic Based Search in P2P Systems (with M. Li, A. Sivasubramaniam and D.L. Lee), the Second WWW Workshop on Semantics in Peer-to-Peer and Grid Computing (SemPGRID'04), New York City, NY, May 2004, pp. 71-90. [pdf]

  14. Efficient peer to peer information sharing over mobile ad hoc networks (with M. Li and A. Sivasubramaniam), the Second WWW Workshop on Emerging Applications for Wireless and Mobile Access (MobEA’04), New York City, NY, May 2004, 6 pages. [pdf]

  15. Scheduling Web Requests in Broadcast Environments (with J. Xu and J. Liu), the thirteenth International World Wide Web Conference (WWW'04), New York, NY, May 17-22, 2004, pp. 280-281. (Poster paper)

  16. Energy-Efficient Air Indexes for Location-Based Wireless Services (with B. Zheng, J. Xu, D.L. Lee), International Conference on Extending Database Technology (EDBT’04), 2004, pp. 48-66. (~14.5% acceptance rate). [pdf]

  17. Prediction Based Strategies for Energy Saving in Object Tracking Sensor Networks (with Y. Xu and J. Winter), IEEE International Conference on Mobile Data Management (MDM'04), Berkeley, CA, Jan. 2004, pp. 346-357. [pdf]

  18. Performance Evaluation of an Optimal Cache Replacement Policy for Wireless Data Dissemination under Cache Consistency (with J. Xu, Q. Hu, and D.L. Lee), IEEE Transaction on Knowledge and Data Engineering (TKDE), Volume 16, No. 1, January, 2004, pp. 125-139. [pdf]

 

2003

  1. Window Query Processing in Highly Dynamic Geo-Sensor Networks: Issues and Solutions (with Y. Xu), NSF Workshop on Geo Sensor Network (GSN’03), Portland, Maine, Oct. 9-11 2003. [pdf]

  2. A Novel Caching Scheme for Internet based Mobile Ad Hoc Networks (with S. Lim, G. Cao, and C. Das), International Conference on Computer Communications and Networks (ICCCN’03), Dallas, TX, Oct 2003, U.S.A, pp. 38-43. [pdf]

  3. Monte Carlo Methods on Customer Retrial Calls in Communication Networks (with J. Lee, C.-P. Liu, A.-T. Wang, and C. Chang), Chung Yuan Journal, Vol. 31, No. 3, September, 2003, pp. 151-159.

  4. Supporting XML Security Models using Relational Databases: A Vision (with D.W. Lee and P. Liu), the First XML Database Symposium (XSym'03), Berlin, Germany, Sept. 8, 2003, pp. 267-281. Acceptance rate: 27% [pdf]

  5. Neighborhood Signatures for Searching P2P Networks (with M. Li and A. Sivasubramaniam), the Seventh International Database Engineering and Application Symposium (IDEAS’03), Hong Kong, July 16- 18, 2003, pp. 142-151. [pdf]

  6. A Caching Mechanism for Improving Internet based Mobile Ad Hoc Networks Performance (with S. Lim, S.-T. Park, G. Cao, C. R. Das and C. L. Giles), the Twelfth International World Wide Web Conference (WWW'03), Budapest, Hungary, May 20-24, 2003, pp. 306. (Poster paper) [pdf]

  7. On Localized Prediction for Power Efficient Object Tracking in Sensor Networks (with Y. Xu), International Workshop on Mobile Distributed Computing (MDC’03), Providence, Rhode Island, May 19-22, 2003, pp. 434-439. [pdf]

  8. 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]

  9. Selecting the Best Valid Scopes for Wireless Dissemination of Location-dependent Data (with B. Zheng and D.L. Lee), ACM Symposium on Applied Computing (SAC’03), Melbourne, Florida, March 9-12, 2003, pp. 860-865. [pdf]

  10. Energy Efficient Index for Querying Location-Dependent Data in Mobile Broadcast Environments (with J. Xu, B. Zheng, and D.L. Lee), International Conference on Data Engineering (ICDE’03), Bangalore, India, March 5 - March 8, 2003, pp. 239-250. [pdf]

  11. Search K Nearest Neighbors on Air (with B. Zheng and D.L. Lee), International Conference on Mobile Data Management (MDM'03), Australia, January 21-24, 2003, pp. 181-195. [pdf]

 

2002

  1. Data Broadcast (with J. Xu, D.L. Lee, and Q. Hu), Handbook of Wireless Networks and Mobile Computing, edited by I. Stojmenovic, John Wiley & Sons, 2002, ISBN 0-471-41902-8, pp. 243-265.

  2. 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]

  3. Models and Infrastructures for Pervasive Computing (with D.L. Lee), NSF Workshop on Context-Aware Mobile Database Management (CAMM), Providence, Rhode Island, January 24-25, 2002. [pdf]

 

2001

  1. An Optimal Cache Replacement Policy for Wireless Data Dissemination under Strong Cache Consistency (with J. Xu, Q. Hu, and D.L. Lee), International Conference on Parallel Processing (ICPP'01), Valencia, Spain, September 3-7, 2001, pp. 267-274. [pdf]

  2. Model Management - A Solution to support Multiple Data Models, Their Mappings, and Maintenance (with K. Claypool, X. Zhang, E. Rundensteiner, S. Hong, H. Kuno, and G. Mitchell), ACM International Conference on SIGMOD, Santa Barbara, CA, May 21-24, 2001, pp. 606. (demonstration paper) [pdf]

  3. Clock: Synchronizing Internal Relational Storage with External XML Documents (with X. Zhang, G. Mitchell, and E. Rundensteiner), the eleventh International Workshop on Research Issues in Data Engineering: Document Management (RIDE'01), Heidelberg, Germany, 2001, pp. 111-118. [pdf]

  4. Indexing Techniques for Power Management in Multi-Attribute Data Broadcast (with Q. Hu and D.L. Lee), ACM Mobile Networks and Applications Journal (MONET): Special Issue on Management of Mobility in Distributed Systems, Volume 6, No. 2, March 2001, pp. 185-197. [pdf]

  5. A Hybrid Index Techniques for Power Efficient Data Broadcast (with Q. Hu and D.L. Lee), Distributed and Parallel Databases, Volume 9, No. 2, March 2001, pp. 151-177. [pdf]

 

2000

  1. Power Conserving and Access Efficient Indexes for Wireless Computing (w.th Q. Hu and D.L. Lee), Information Organization and Databases, edited by K. Tanaka, S. Ghandeharizadeh, and Y. Kambayashi, Kluwer Academic Publishers, Boston, MA, 2000, pp. 249-264.

  2. SAIU: An Efficient Cache Replacement Policy for Wireless On-demand Broadcasts (with J. Xu, Q. Hu, and D.L. Lee), the Ninth ACM International Conference on Information and Knowledge Management (CIKM’00), McLean, VA, Nov. 6-11, 2000, pp. 46-53. [pdf]

  3. Integrating XML Data with Relational Databases (with G. Mitchell and X. Zhang), IEEE International Workshop on Knowledge Discovery and Data Mining in World Wide Web, Taipei, Taiwan, April 10-13, 2000, pp. F47-F53. [pdf]

  4. Power Conservative Multi-Attribute Queries on Data Broadcast (with Q. Hu and D.L. Lee), IEEE International Conference on Data Engineering (ICDE'00), San Diego. Feb. 2000, pp. 157-166. [pdf]

 

1999

  1. On Simulation Modeling of Information Dissemination Systems in Mobile environments (with J. Lee and K. Huff), ACM/IEEE International Conference on Mobile Data Access (MDA’99), Hong Kong, Dec. 1999, pp. 45-57. [pdf]

  2. Indexing Techniques for Wireless Data Broadcast Under Data Clustering and Scheduling (with Q. Hu and D.L. Lee), ACM International Conference on Information and Knowledge Management (CIKM'99), Kansas City, Missouri, Nov. 1999, pp. 351-358. [pdf]

  3. 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 (Mobicom'99), Seattle, Washington, August 1999, pp. 163-173. [pdf]

  4. A Study of Channel Allocation Methods for Data Dissemination in Mobile Computing Environments (with Q. Hu and D.L. Lee), ACM Mobile Networks and Applications Journal (MONET): Special Issue on Resource Management in Wireless Network, Volume 4, No. 2, 1999, pp. 117-129. [pdf]

  5. Repository Support for Metadata-based Legacy Migration (with S. Heiler and G. Mitchell), IEEE Data Engineering Bulletin, Volume 22, No. 1, March 1999, pp. 37-42. [pdf]

  6. Signature Caching Techniques for Information Filtering in Mobile Environments (with D.L. Lee), ACM Wireless Networks Journal (WINET), Volume 5, No. 1, January 1999, pp. 57-67. [pdf]

 

1998

  1. Dynamic Data Delivery in Wireless Communication Environments (with Q. Hu and D.L. Lee), International Workshop on Mobile Data Access, Singapore, Nov. 1998, pp. 218-229.

  2. Indexing Techniques for Data Broadcast on Wireless Channel (with D.L. Lee and Q. Hu), the Fifth International Conference of Foundations of Data Organization (FODO'98), Kobe, Japan, Nov. 1998, pp. 175-182. [pdf]

  3. 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]

  4. Optimal Channel Allocation for Data Dissemination in Mobile Computing Environments (with Q. Hu and D.L. Lee), IEEE Conference on Distributed Computing Systems (ICDCS'98), Amsterdam, Netherlands, May 1998, pp. 480-487. [pdf]

  5. A Framework for TMN-CORBA Interoperability (with G. Mitchell), IEEE/IFIP 1998 Network Operations and Management Symposium (NOMS'98), New Orleans, Feb. 1998, pp. 90-99.

  6. A Comparison of Index Methods for Data Broadcast on the Air (with Q. Hu and D.L. Lee), International Conference on Information Networking (ICOIN'98), Tokyo, Japan, Jan. 1998, pp. 656-659.

 

1997 and earlier

  1. Channel Allocation Methods for Data Dissemination in Mobile Environments (with Q. Hu and D.L. Lee), the Sixth Symposium on High Performance Distributed Computing (HPDC'97), Portland, Oregon, August 5-8, 1997, pp. 274-281. [pdf]

  2. 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]

  3. On Signature Caching of Wireless Broadcast and Filtering Services (with D.L. Lee), the Second International Mobile Computing Conference, Hsinchu, Taiwan, March 25-27, 1996, pp.15-24. [pdf]

  4. Signature Path Dictionary for Nested Object Query Processing (with D.L. Lee), IEEE International Phoenix Conference on Computers and Communications (IPCCC'96), March 27-29. 1996, pp. 275-281. [pdf]

  5. Information Filtering in Wireless and Mobile Environments (with D. L. Lee), IEEE International Phoenix Conference on Computers and Communications (IPCCC'96), Phoenix, Arizona, March 27-29, 1996, pp. 508-514. [pdf]

  6. Combining Indexing Technique with Path Dictionary for Nested Object Queries (with D.L. Lee), the Fourth International Conference on Database Systems for Advanced Applications (DASFAA'95), Singapore, Apr. 1995, pp. 107-114. [pdf]

  7. On Processing Nested Queries in Distributed Object-Oriented Database (with D.L. Lee), the Fifth International Workshop on Research and Issues in Data Engineering - Distributed Object Management Systems (RIDE'95), Taipei, March 1995, pp. 10-17. [pdf]

  8. Short Cuts for Traversals in Object-Oriented Database Systems (with D.L. Lee), the International Computer Symposium, Hsinchu, Taiwan, Dec. 1994, pp. 1172-1177. [pdf]

  9. Using Path Information for Query Processing in Object-Oriented Database Systems (with D.L. Lee), ACM International Conference on Information and Knowledge Management (CIKM'94), Gathersberg, MD, Nov. 1994, pp. 64-71. [pdf]

  10. Signature File Methods for Indexing Object-Oriented Database Systems (with D.L. Lee), the Second International Computer Science Conference, Hong Kong, Dec. 1992, pp. 616-622. [pdf]

  11. A New Strategy for Multiple Stacks Manipulation (with W.-P. Yang, T.-C. Chiu and S.S. Tung), The Computer Journal, Vol. 35, No. 3, June 1992, pp. A616-A622.

  12. Message Control Program: a Remote Access Facility in Uni-net (with K.-A. Hwang), the International Computer Symposium, R.O.C., 1986, pp. 624-628.

  13. Form Support System (with W.-P. Yang), the National Computer Symposium, R.O.C., 1985, pp. 617-624.

 

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