Biblio

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2011
Liu, X., F. Chen, and C. T. Lu, "Spatial Categorical Outlier Detection: Pair Correlation Function Based Approach", Proceedings of the 19th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (ACM GIS 2011), Chicago, Illinois, pp. 465-468, 11/2011.
Lu, C. T., R. F. DosSantos, X. Liu, and Y. Kou, "A Graph-based Approach to Detect Abnormal Spatial Points and Regions", International Journal on Artificial Intelligence Tools, vol. 20, no. 4, pp. 721-751, 08/2011.
2010
Liu, X., C. Jian, and C. T. Lu, "Demo Paper: A Spatio-Temporal Crime Search Engine", Proceedings of the 18th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (ACM GIS 2010), San Jose, California, ACM, pp. 528-529, 11/2010.
Liu, X., C. T. Lu, and F. Chen, "Spatial Outlier Detection: Random Walk Based Approaches", Proceedings of the 18th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (ACM GIS 2010), San Jose, California, ACM, pp. 370-379, 11/2010.
2008
Liu, X., C. T. Lu, and F. Chen, "An Entropy-based Method for Assessing the Number of Spatial Outliers", Proceedings of the 2008 IEEE International Conference on Information Reuse and Integration, Las Vegas, NV, IEEE, pp. 244-249, 07/2008.
2007
Bouguettaya, A., D. Gracanin, Q. Yu, X. Zhang, X. Liu, Z. Malik, and A. Rezgui, "Web senior: A digital government infrastructure for senior citizens", Proceedings of the 1st International Workshop on Management of Business Processes in Government (BMPGOV07), September, 2007.
2006
Bouguettaya, A., D. Gracanin, Y. Qi, X. Zhang, X. Liu, and Z. Malik, "Ubiquitous web services for egovernment social services", Proceedings of the Symposium Semantic Web meets eGovernment (2006 AAAI Spring Symposium Series), Stanford University, California, USA, March, 2006.
2005
Shekhar, S., S. Chawla, S. Ravada, A. Fetterer, X. Liu, and C. T. Lu, "Spatial Databases – Accomplishments and Research Needs", IEEE Transactions on Knowledge and Data Engineering, vol. 11, no. 1, pp. 45-55, Jan/Feb, 2005.
2002
Anan, H., X. Liu, K. Maly, M. Nelson, M. Zubair, J. French, E. A. Fox, and P. Shrivakumar, "Preservation and Transition of NCSTRL Using an OAI-Based Architecture", Proceedings JCDL 2002, Second Joint ACM/IEEE-CS Joint Conference on Digital Libraries, Portland, pp. 181-182, July 2002.
2000
Liu, X., and R. Ehrich, "Analysis of Moire Patterns in Non-uniformly Sampled Halftones", Image and Vision Computing , vol. 18, no. 10, pp. 843-848, July, 2000.
1999
Shekhar, S., S. Chawla, S. Ravada, A. Fetterer, X. Liu, and C. T. Lu, "Spatial Databases –Accomplishments and Research Needs", IEEE Transactions on Knowledge and Data Engineering, vol. 11, no. 1, pp. 45-55, 02/1999.
1996
Liu, X., and R. Ehrich, "Analysis of Moire Patterns in Non-Uniformly Sampled Halftones", Proc. 3rd IEEE Workshop on Applications of Computer Vision, Sarasota FL, pp. 208-213, December, 1996.