Book Chapter

• S. Shekhar, C.T. Lu, X. Tan, S. Chawla,"Map Cube: A Visualization Tool for Spatial Data Warehouses," chapter in Geographic Data Mining and Knowledge Discovery, Harvey J. Miller and Jiawei Han (eds.) (2001), Taylor and Francis. ( Detail , GKD book)
• S. Shekhar, Y. Huang, W. Wu, C.T. Lu, "What's Spatial about Spatial Data Mining: Three case studies," chapter in Data Mining for Scientific and Engineering Applications, V. Kumar, R. Grossman, C. Kamath, R. Namburu (eds.) (2001) (PostScript , PDF)
• S. Nambiar, C.T. Lu, “M-Payment Solutions and M-Commerce Fraud Management,” chapter in Advances in Security and Payment Methods for Mobile Commerce, Wen-Chen Hu, Chung-wei Lee, and Weidong Kou (eds.), pp. 192-213, Idea Group, Inc. 2005. (PDF, PDF-P)

Journal Publications

• S. Shekhar, S. Chawla, S. Ravada, A. Fetterer, X. Liu, C.T. Lu, "Spatial Databases - Accomplishments and Research Needs," IEEE Transactions on Knowledge and Data Engineering, Vol. 11, No 1 (Jan/Feb 1999), pp. 45-55 (PostScript , PDF)
• S. Shekhar, C.T. Lu, S. Chawla, S. Ravada, "Efficient Join Index Based Join Processing: A Clustering Approach," IEEE Transactions on Knowledge and Data Engineering, Vol. 14, No. 6 (Nov/Dec 2002), pp. 1400-1421 ( PostScript (8M), PDF (4M), Detail , PDF-P)
• S. Shekhar, C.T. Lu, P. Zhang, "Detecting Graph-based Spatial Outliers," International Journal of Intelligent Data Analysis (IDA), Vol. 6, No 5. pp. 451-468, 2002 (PDF , PDF-P)
• S. Shekhar, C.T. Lu, P. Zhang, "A Unified Approach to Spatial Outliers Detection," GeoInformatica, An International Journal on Advances of Computer Science for Geographic Information System, Vol. 7, No.2, pp. 139-166, June 2003. (PDF-P)
• C.T. Lu, D. Chen, Y. Kou, “Multivariate Spatial Outlier Detection,” International Journal on Artificial Intelligence Tools, Vol. 13, No. 4, pp. 801-812, December, 2004. (PDF) (Link)
• C.T. Lu, L. Sripada, S. Shekhar, R. Liu, “Transportation Data Visualization and Mining for Emergency Management,” International Journal of Critical Infrastructures, Inderscience, Vol.1. Nos. 2/3, pp. 170-194, 2005. (PDF, PDF-P)
• Y. Kou, C.T. Lu A. Godrej, T. Grizzard, H. Post, “A Web-based Data Visualization and Analysis System for Watershed Management,” Journal of Geographic Information Science Special Issue on Distributed GIS, Vol. 11, No.1, pp. 40-49, June 2005. (PDF)
• C.T. Lu, J. Zheng, K. Jefferson, “Cubeview: A Web-based Visualization Tool for Intelligent Transportation Systems,” ITS VA Journal (Intelligent Transportation Society of Virginia), March 2005. (PDF)
• C.T. Lu, Y. Kou, J. Zhao, L. Chen, “Detecting and Tracking Region Outliers in Meteorological Data,” Information Sciences Journal, Informatics and Computer Science Intelligent Systems Applications, An International Journal, Elsevier, Volume 177, Issue 7, pp. 1609-1632, April 2007. (PDF, PDF-P)
• Chang-Tien Lu, Raimundo F. Dos Santos Jr, Lakshmi N. Sripada, Yufeng Kou, "Advances in GML for Geospatial Applications," GeoInformatica, An International Journal on Advances of Computer Science for Geographic Information System, Springer, Volume 11, Number 1, pp. 131-157, March 2007.(PDF, PDF-P).

Conference Publications

• S. Shekhar, C.T. Lu, S. Ravada "Optimizing Join Index Based Join Processing," Proceedings of the 17th IEEE Symposium on Reliable Distributed Systems, West Lafayette, Indiana, October 1998. (PostScript (3M), PDF (2M))
• S. Shekhar, C.T. Lu, X. Tan, S. Chawla, "Map Cube: A Visualization Tool for Spatial Data Warehouses - A Summary of Results" Proceedings of NSF workshop on Data Mining in GIS, March 1999. (PostScript , PDF)
• S. Shekhar, C.T. Lu, P. Zhang, "Detecting Graph-based Spatial Outliers: Algorithms and Applications," Proceedings of the 7th ACM SIGKDD International Conference on Knowledge Discovery and Data Mining, San Francisco, California, pp. 365-370, August 26-29, 2001. (PS, PDF, PDF-P)
• S. Shekhar, C.T. Lu, P. Zhang, "CubeView: A System for Traffic Data Visualization," Proceedings of the IEEE 5th International Conference on Intelligent Transportation Systems, 2002. (PostScript , PDF)
• S. Shekhar, C.T. Lu, P. Zhang, Rulin Liu, "Data Mining for Selective Visualization of Large Spatial Datasets," Proceedings of the 14th IEEE International Conference on Tools with Artificial Intelligence, Washington DC, pp. 41-48, November 4-6, 2002. (PDF-P)
• J. Zhao, C.T. Lu, Y. Kou, “Detecting Region Outliers in Meteorological Data,” Proceedings of the 11th ACM International Symposium on Advances in Geographic Information Systems, New Orleans, Louisiana, pp. 49-55, Nov. 7-8, 2003. (PDF-P)
• J. Zhao, C.T. Lu, Y. Kou, “Chang Detection in Meteorological Data,” Proceedings of the 7th Joint Conference on Information Sciences, Research Triangle Park, North Carolina, pp. 509-512, Sep. 26-30, 2003. (PDF)
• C.T. Lu, D. Chen, Y. Kou, “Algorithms for Spatial Outlier Detection,” Proceedings of the 3rd IEEE International Conference on Data Mining, Melbourne, Florida, pp. 597-600, Nov. 19-22, 2003. (PDF, PDF-P)
• C.T. Lu, D. Chen, Y. Kou, “Detecting Spatial Outliers with Multiple Attributes,” Proceedings of the 15th IEEE International Conference on Tools with Artificial Intelligence, Sacramento, California, pp. 122-128, Nov. 3-5, 2003. (PDF-P)
• Y. Kou, C.T. Lu, S. Sirwongwattana, Y.P. Huang, “Survey of Fraud Detection Techniques,” Proceedings of the 2004 International Conference on Networking, Sensing, and Control, pp. 749-754, Taipei, Taiwan, March 21-23, 2004. (PDF-P)
• L. Sripada, C.T. Lu, W. Wu, “Evaluating GML Support for Spatial Databases,” Proceedings of the Twenty-Eighth Annual International Computer, Software & Applications Conference (COMPSAC 04), Workshop on Geographic and Biological Data Management (GBDM’ 04), pp. 74-78, Hong Kong, China, September 28-30, 2004. (PDF)
• C.T. Lu, Lily R. Liang, “Wavelet Fuzzy Classification for Detecting and Tracking Region Outliers in Meteorological Data," Proceedings of the 12th ACM International Symposium on Advances in Geographic Information Systems, pp. 258-265, Washington DC, Nov. 12-13, 2004. (PDF-P)
• S. Nambiar, C.T. Lu, Lily R. Liang, "Analysis of Payment Transaction Security in Mobile Commerce," Proceedings of the 2004 IEEE International Conference on Information Reuse and Integration (IEEE IRI-2004), pp. 475-480, Las Vegas, Nevada, November 8-10, 2004. (PDF, PDF-P)
• J. Ying, D. Gracanin, C.T. Lu, "Web Visualization of Geo-Spatial Data using SVG and VRML/X3D," Proceedings of the Third International Conference on Image and Graphics, pp. 497-500, Hong Kong, China, Dec.18-20, 2004. (PDF, CR).
• Y.P. Huang, G.L. Guo, C.T. Lu, "Using Back Propagation Model to Design a MIDI Music Classification System," Proceedings of the International Computer Symposium, pp. 253-258, Dec 15-17, 2004. (PDF)
• W. Fan, J. Mathuria, C.T. Lu, "Making Data Mining Models Useful to Model Non-paying Customers of Exchange Carriers," Proceedings of the 2005 SIAM International Conference on Data Mining, pp. 486-490, Newport Beach, CA, April 21-23, 2005. (PDF)
• J. Mathuria, C.T. Lu, J. Dai, "An Efficient Data Model for Sensor Networks," the 1st International Workshop on Data Mining, the 7th Joint Conference on Information Sciences, Salt Lake City, Utah, July 21-26, 2005. (PDF)
• C.T. Lu, Y. Kou, “A Web-based Data Analysis System for Watershed Management,” the 2005 Annual Meeting of the Associate of American Geographers(AAG), April 5-9, Denver, Colorado, 2005.
• C.T. Lu, A. P. Boedihardjo, P. Manalwar, “Exploiting Efficient Data Mining Techniques to Enhance Intrusion Detection Systems,” Proceedings of the 2005 IEEE International Conference on Information Reuse and Integration (IEEE IRI-2005 Knowledge Acquisition and Management), pp. 512-517, Las Vegas, Nevada, August 15-17, 2005. (PDF, PDF-P)
• C.T. Lu, A. P. Boedihardjo, J. Zheng, "AITVS: Advanced Interactive Traffic Visualization System," Proceedings of the 22nd IEEE International Conference on Data Engineering (ICDE '06), pp. 167, Atlanta, GA, April 3-8, 2006. (PDF, PDF-P)
• Y. Kou, C.T. Lu, D. Chen, "Spatial Weighted Outlier Detection," the 2006 SIAM Conference on Data Mining, pp. 613-617, Bethesda, Maryland, April 20-22, 2006. (PDP, PDF-P)
• Y. Jin, J. Dai, C.T. Lu, "Spatial-Temporal Data Mining in Traffic Incident Detection," the 2006 SIAM Conference on Data Mining, Workshop on Spatial Data Mining, Bethesda, Maryland, April 20-22, 2006. (PDP-P)
• A. Boedihardjo, C.T. Lu, "AOID: Adaptive Online Incident Detection System," the 9th International IEEE Conference on Intelligent Transportation Systems, Toronto, Canada, September 17-20, 2006. (PDF)
• C.T. Lu, A. P. Boedihardjo, J. Zheng, "Towards an Advanced Spatial-Temporal Visualization System for the Metropolitan Washington, D.C.,” the 2006 TRB International Visualization in Transportation Symposium and Workshop, Denver, Colorado, October 23-26, 2006. (PDF, Demo)
• C.T. Lu, A. P. Boedihardjo, "Advanced Traffic Visualization and Mining System," the 12th Annual ITSVA (Intelligent Transportation Society of Virginia) Conference & Exhibition, Arlington, VA, June 1-2, 2006. (PDF)
• K. Jefferson, C.T. Lu, X. Li, T.C. Hsu, T.F. Chu, "The Case for Using Spatiotemporal Traffic Data for Transportation Network Management," Managing Travel for Planned Special Events: Tools for Practitioners, Newport Beach, CA, Nov. 29-Dec. 1, 2006.

Demonstration

• C.T. Lu, Y. Kou, H. Wang, S. Shekhar, P. Zhang, R. Liu, “Two Web-based Spatial Data Visualization and Mining Systems: Mapcube & Mapview,” International Workshop on Next Generation Geospatial Information, Cambridge (Boston), Massachusetts, Oct. 19-21, 2003. (PDF-S, PDF-L)
• C.T. Lu, “MapView - A Visualization Tool for Spatial Outlier Detection on Census Data,” the 2003 IEEE International Conference on Information Reuse and Integration, October 27-29, 2003. (PDF)

Technical Reports

• S. Shekhar, S. Ravada, A, Fetterer, X. Liu, C.T. Lu, "Spatial Databases - Accomplishments and Research Needs," Department of Computer Science Technical Report TR 97-016, U. of Minnesota. (PostScript , PDF)
• S. Shekhar, C.T. Lu, S. Chawla, S. Ravada, "Efficient Join Index Based Join Processing; A Clustering Approach," Dept. of Computer Science Technical Report TR 99-030, U. of Minnesota. ( PostScript (8M), PDF (4M), Detail )
• S. Shekhar, C.T. Lu, P. Zhang, "Detecting Graph-based Spatial Outliers: Algorithms and Applications," Dept. of Computer Science Technical Report TR 00-014, U. of Minnesota. ( PostScript , PDF )
• S. Shekhar, C.T. Lu, S. Chawla, P. Zhang, "Data Mining and Visualization of Twin-Cities Traffic Data," Dept. of Computer Science Technical Report TR 00-015, U. of Minnesota. ( PostScript , PDF )
• S. Shekhar, C.T. Lu, P. Zhang, "A Unified Approach to Spatial Outliers Detection," Dept. of Computer Science Technical Report TR 01-045 , U. of Minnesota. (PostScript , PDF)
• S. Shekhar, C.T. Lu, Rulin Liu, "High Performance Spatial Visualization of Traffic Data," Minnesota Department of Transportation, Technical Report. (PostScript, PDF)
• S. Shekhar, A. Fetterer, C.T. Lu, "Accuracy of Route Plans in Transportation Databases," Minnesota Department of Transportation, Technical Report.
• S. Shekhar, X. Tan, C.T. Lu, "Archival of Traffic Data," Minnesota Department of Transportation, Technical Report.
• S. Shekhar, C.T. Lu, S. Chawla, P. Zhang, "Data Mining and Visualization of Twin-Cities Traffic Data" (PostScript , PDF)

Summary

• Comparing Z-order B-tree and R-tree Family for Spatial Query Processing
  PostScript , PDF
  

Talks

• Winter, 1998 Optimizing Join Index Based Join Processing:
  A Graph Partitioning Approach PostScript
• Fall, 1999 Efficient Join-Index-Based Spatial-Join (Prelim Oral) PostScript
• 6/9, 2000 Spatial Clustering Methods in Data Mining PostScript
• Summer, 2000 High Performance Spatial Visualization of Traffic Data PostScript
• Spring, 2001 Detecting Outliers in Topological Datasets: Algorithms and Applications PostScript
• November, 2001, UMN "Detecting Spatial Outliers: Algorithm and Application"
  PostScript, PDF)