Xiaoyang Sean Wang
Dorothean Professor
Department of Computer Science, University of Vermont,  Burlington, Vermont

 

 

Curriculum Vitae
 
Xiaoyang Sean Wang
Department of Computer Science, University of Vermont
Burlington, VT 05405, USA. (802) 656-3342 (voice), (802) 656-0696 (fax)
 
March 2008

Education

  • 1992. Ph.D. in Computer Science, University of Southern California, Los Angeles, California, USA.
  • M.Sc. in Computer Science, Fudan University, Shanghai, P.R.China
  • B.Sc. In Computer Science, Fudan University, Shanghai, P.R.China. 

Employment History

  • July 2007--Present. Acting Chair of the Department of Computer Science, University of Vermont
  • Sept 2003--Present. Dorothean Professor (tenured, full professor, endowed Dorothean chair professor), Department of Computer Science, University of Vermont
  • Sept 1999--Aug 2003. Associate Professor (tenured), Department of Information and Software Systems Engineering, George Mason University
  • Sept 1993--Aug 1999. Assistant Professor, Department of Information and Software Systems Engineering, George Mason University
  • Sept 1992--Aug 1993. Visiting Assistant Professor, Department of Information and Software Systems Engineering, George Mason University

Teaching Experiences

  • 2003--Present, Department Graduate Program Director.
  • Directed seven (7) PhD dissertations: including three co-directed.
  • Sixteen years (1992--Present) of classroom teaching experience. Courses taught include: (at the graduate level) Database Systems, Advanced Databases, Computer Architecture, Operating Systems, Distributed Algorithms, (at the undergraduate level) Discrete Mathematics, Data Structures, Database Systems, Compiler Construction.

Research Interests

  1. Database Management Systems
  2. Information Security and Privacy
  3. Wireless Sensor Networks
  4. Streaming Data Processing
  5. Time Series Queries
  6. Data Mining and Data Warehousing
  7. Database Theory

Ph.D. Dissertations Directed

  1. Chao Yao: “Protecting Privacy in Released Database Views.” George Mason University, graduated in August 2006 (co-directed with Jajodia). [First job: Bloomberg]
  2. Like Gao: “Optimizing Continuous Similarity-Based Queries On Streaming Time Series.” University of Vermont, graduated in September 2005. [First job: TeraData]
  3. Yingjiu Li: “Techniques for Protecting Data from Piracy, Illegal Inference, and Malicious Intrusion.” George Mason University, graduated in May 2003 (co-directed with Jajodia). [First job: Singapore Management University, Home page]
  4. Peng Ning: “Abstraction-based Intrusion Detection in Distributed Environments.” George Mason University, graduated in May 2001 (co-directed with Jajodia). [First job: North Carolina State University, Home page]
  5. Changzhou Wang: “Time Series Search Via Contents.” George Maon University, graduated in May 2000. [First job: Boeing Mathematics and Computing Technology]
  6. Jia-Ling Lin: “Abstraction-Based Misuse Detection: High-Level Specifications and Adaptable Strategies.” George Mason University, graduated in May 1999. [First job: NIH]
  7. Du T. Dang: “Discovering Sequential Patterns from Non-Uniform Temporal Databases.” George Mason University, graduated in Fall 1998.

Extramural Research Grants and Projects

  1. NSF: “A Context-Aware Approach to the Design and Evaluation of Privacy Preservation Techniques in Location-Based Services.” Principal Investigator. Three years 2007 - 2010. [NSF link]
  2. NSF: “Privacy-Aware Information Release Control.” Principal Investigator. Three years 2004 - 2007. [NSF link]
  3. NSF: “A Framework for Optimal Approximate Query Evaluation based on Workload Forecasting.” Co-PI (PI: Byung S. Lee). Three years 2004 - 2007. [NSF link]
  4. NSF: “Controlled Release of Information Based on Contents.” Co-PI (PI Jajodia). Three years 2003--2006. [NSF link]
  5. NSF (Career Award): “Towards Database Support for On-Line Time Series Analysis.” Principal Investigator. Four years 1999-2002.6. U.S. [NSF link]
  6. ARO: “Temporal Databases with Multiple Granularities.” Co-Principal Investigator. Three years 1998--2001. (PI Jajodia.) 
  7. NSA: “IP Tool: Managing Separate Intellectual Property to Support Embedded Systems Design.”, co-PI (PI N. Alexandridis and co-PI El-Ghazawi), two years 2002-2004.
  8. NSA: “Concept of an Abstract Misuse Signature (MuSig).” Co-PI (PI Jajodia). Three years 1997--2000.
  9. NSF: “Supporting Multiple Time Granularities in Query Evaluation and Data Mining.” Co-PI (PI Jajodia). Three years 1996--1999. [NSF link]
  10. NSF (Research Initiation Award): “Towards Expressive and Efficient Queries on Sequenced Data.” PI. Three years 1994--1997. [NSF link]
  11. NSF: “Structural Queries on Nucleic Acid Databases.” Co-PI (PI Gribskov, Co-PI Ginsburg). Two years 1994--1996. [NSF link]

Research Publications

Monographs:

  1. Peng Ning, Sushil Jajodia, and Sean Wang, “Intrusion Detection in Distributed Systems: An Abstraction-Based Approach”, Kluwer Academic Publishers, October 2003, 156 pages. ISBN 978-1-4020-7624-4. [Springer, Amazon]
  2. C. Bettini, S. Jajodia and X. Wang, “Time Granularities in Databases, Data Mining, and Temporal Reasoning”, Springer-Verlag, July 2000. 230 pages. ISBN: 978-3-540-66997-5. [Springer, Amazon]

Refereed Journal Articles:

  1. Chao Yao, Lingyu Wang, X. Sean Wang, Claudio Bettini, and Sushil Jajodia. “Evaluating privacy threats in released database views by symmetric indistinguishability”, Journal of Computer Security, to appear. [PDF]
  2. Peter Chapin, Christian Skalka, and X. Sean Wang. “Trust Management: Features and Foundations”, ACM Computing Survey. Accepted for publication. To appear. [PDF]
  3. Christian Skalka, X. Sean Wang, and Peter Chapin. “Risk Management for Distributed Authorization,” Journal of Computer Security. Accepted for publication. To appear. [PDF]
  4. Christian Skalka and X. Sean Wang: “Trust but Verify: Authorization for Web Services.” Computer Science and System Engineering Journal. Accepted for publication. To appear. [PDF]
  5. Biyu Liang, Jeff Frolik, and X. Sean Wang, “Energy Efficient Dynamic Spatial Resolution Control for Wireless Sensor Clusters”, International Journal of Distributed Sensor Networks. Accepted for publication. To appear.
  6. Zhen He, X. Sean Wang, Byung Suk Lee, and Alan C.H. Ling, “Mining Partial Periodic Correlations in Time Series,” Knowledge and Information Systems, Springer. Accepted for publication. 15(1), pp. 31-54, April 2008. [online Springer Link]
  7. Zhen He, Byung Suk Lee, and X. Sean Wang, “Proactive and Reactive Multi-dimensional Histograms for Selectivity Estimation,” Journal of Systems and Software, Elsevier. 81(3): 414-430, 2008. [Science Direct Link]
  8. Zhen He, Byung Suk Lee, and X. Sean Wang, “Aggregation in Sensor Networks with a User-Provided Quality of Service Goal,” Information Sciences, Elsevier, 178: 2128–2149, 2008. [Science Direct Link]
  9. Sergio Mascetti, Claudio Bettini, Dario Freni, and X. Sean Wang. “Spatial Generalization Algorithms for LBS Privacy Preservation”, Journal of Location Based Services, 2(1), 2008. [PDF]
  10. C. Bettini, S. Mascetti, and X. Sean Wang. “Supporting temporal reasoning by mapping calendar expressions to minimal periodic sets,” Journal of Artificial Intelligence Research, 28:299-348, 2007. [Publisher, PDF]
  11. Yingjiu Li, Sencun Zhu, X. Sean Wang, and Sushil Jajodia, “Looking into the Seeds of Time: Discovering Temporal Patterns in Large Transaction Sets,” Journal of Information Sciences (Elsevier), 176:1003-1031, 2006. [Science Direct Link]
  12. Like Gao, Min Wang, and X. Sean Wang, “Evaluating Trigger Conditions on Streaming Time Series with User-given Quality Requirements,” The Journal of Universal Computer Science, 11(8): 1397-1410, 2005. [Link]
  13. Like Gao and X. Sean Wang, “Continually Evaluating Similarity-Based Pattern Queries on a Streaming Time Series”, IEEE Transactions on Knowledge and Data Engineering, 17(10), October 2005, pp. 1320-1332. [IEEE link, extended version of SIGMOD 2002 version PDF]
  14. Claudio Bettini, X. Sean Wang, and Sushil Jajodia, “Information Release Control: A Learning-Based Architecture”, Journal of Data Semantics, Springer, Vol 2, pp. 176-198, 2005. [Springer link, Springer PDF]
  15. Claudio Bettini, Sushil Jajodia, X. Sean Wang, and Duminda Wijesekera, “Reasoning with advanced policy rules and its application to access control,” International Journal on Digital Libraries, Springer, 4(3), pp. 156-170, 2004. [Springer link, Springer PDF]
  16. Yingjiu Li, Peng Ning, X. Wang, and S. Jajodia, “Discovering Calendar-based Temporal Association Rules”, Data and Knowledge Engineering Journal, Elsevier, 44(2), pp 193-218, 2003. [Science Direct Link]
  17. Y. Qu, C. Wang, L. Gao, and X. Wang, “Supporting Movement Pattern Queries in User-specified Scales,” IEEE Transaction on Knowledge and Data Engineering, 15(1), pp 26-42, 2003. [IEEE Link]
  18. C. Bettini, S. Jajodia, X. S. Wang, and D. Wijesekera, “Provisions and Obligations in Policy Rule Management,” Journal of Network and Systems Management, 11(3): 351-372, Kluwer Academic Publishers, 2003.
  19. C. Wang and X. Wang, “High-dimensional Nearest Neighbor Search with Remote Data Centers,” Knowledge and Information Systems: An International Journal, Springer, 4(4), pp 440-465, 2002.
  20. C. Bettini, X. Wang, and S. Jajodia, “Solving Multi-Granularity Temporal Constraint Networks,” in Artificial Intelligence: an International Journal, Elsevier, 140(1-2), pp 107-152, September 2002.
  21. Peng Ning, Sushil Jajodia, and X. Sean Wang, “Design and Implementation of a Decentralized Prototype System for Detecting Distributed Attacks,” Computer Communications, 25(15):1374-1391, Elsevier Science, September 2002.
  22. Yingjiu Li, Ninging Wu, X. Sean Wang, and Sushil Jajodia, “Enhancing Profiles for Anomaly Detection Using Time Granularities,” Journal of Computer Security, IOS press, 10(1-2), pp. 137--157, 2002.
  23. P. Ning, X. Sean Wang, and S. Jajodia, “An algebraic representation of calendars”, Annuals of Mathematics and Artificial Intelligence, 36(1-2), pp. 5-38, 2002.
  24. C. Bettini, X. Sean Wang, and S. Jajodia, “Temporal Reasoning in Workflow Systems,” in Distributed and Parallel Databases, an International Journal, 11(3):269-306, May 2002.
  25. Peng Ning, Sushil Jajodia, and X. Sean Wang, “Abstraction-based Intrusion Detection in Distributed Environments,” ACM Transactions on Information and System Security (TISSEC), 4(4), pp. 407--452 , November 2001.
  26. C. Wang and X. Sean Wang, “Indexing very high dimensional sparse and quasi-sparse vectors for similarity searches”, VLDB Journal, 9(4):344-361, 2001.
  27. P. Ning, X. Sean Wang, and S. Jajodia, “Modeling Requests among Cooperating Intrusion Detection Systems,” Computer Communications, 23(17):1702-1715, Elsevier Science, 2000.
  28. M. Kafatos, T. El-Gahzawi, X. Sean Wang, and R. Yang, “Earth Observing Data Systems in the Internet Era”, Photogrammetric Engineering and Remote Sensing, Vol. 65, pp. 540--563. 1999.
  29. C. Li and X. Sean Wang, “Deriving Orthogonality to Optimize the Search for Summary Data,” Information Systems (Elsevier), Vol. 24, No. 1, pp. 47--65, 1999.
  30. X. Sean Wang, S. Jajodia, and S. Mahavni, “Temporal Mediators: Supporting Uniform Accesses to Heterogeneous Temporal Databases,” International Journal on Artificial Intelligence Tools (IJAIT), Vol. 7, No. 3, pp. 319--339, 1998.
  31. J. Bailey, G. Dong, M. K. Mohania, and X. Sean Wang, “Distributed View Maintenance by Incremental Semijoin and Tagging,” Distributed and Parallel Databases, Vol. 6, No. 3, pp. 287--309, 1998.
  32. C. Bettini, X. Sean Wang, and S. Jajodia, “A General Framework for Time Granularity and Its Application to Temporal Reasoning,” Annals of Mathematics and Artificial Intelligence, Vol 22, No. 1-2, pp. 29--58, 1998.
  33. S. Ginsburg and X. Sean Wang, “Regular Sequence Operations and Their Use in Database Queries,” Journal of Computer and System Sciences, Vol 56, No 1, pp.1-26, 1998.
  34. C. Bettini, X. Sean Wang, S. Jajodia, and J. Lin, “Discovering Temporal Relationships with Multiple Granularities in Time Sequences,” IEEE Transactions on Knowledge and Data Engineering, Vol 10, No. 2, pp. 222-237, 1998.
  35. C. Bettini, X. Sean Wang, and S. Jajodia, “Temporal Semantic Assumptions and Their Use in Databases,” IEEE Transactions on Knowledge and Data Engineering, Vol 10, No. 2, pp. 277--296, 1998.
  36. X. Sean Wang, C. Bettini, A. Brodsky, and S. Jajodia, “Logical Design for Temporal Databases with Multiple Granularities,” ACM Transactions on Database Systems, Vol 22, pp. 115--170, 1997.
  37. X. Sean Wang, S. Jajodia, and V.S. Subrahmanian, “Temporal Modules: an Approach toward Federated Temporal Databases,” Information Sciences, Vol. 82, pp. 103--128, 1995.
  38. S. Ginsburg, D. Simovici, and X. Sean Wang, “Content-Related Interval Queries on Object Histories,” Information and Computation, Vol. 103, No. 1, pp. 30--67, 1993.
  39. A. Mili, Q. Yu, and X. Wang, “Specification Methodology: an Integrated Relational Approach,” Software: Practice & Experience, Vol. 16, pp. 1003--1030, 1986. [DOI Link]

Refereed Conference Papers:

  1. Alexander Brodsky and X. Sean Wang. “Decision-Guidance Management Systems (DGMS): Seamless Integration of Data Acquisition, Learning, Prediction and Optimization.” HICSS 2008: 71. [IEEE link, PDF]
  2. C. Bettini, S. Mascetti, X. Sean Wang, and S. Jajodia. “Anonymity in Location-based Services: Towards a General Framework”, in Proc. of the 8th International Conference on Mobile Data Management (MDM-2007), IEEE Computer Society, 2007. [PDF]
  3. Mohammed Al-Kateb, Byung Suk Lee, and X. Sean Wang, “Adaptive-Size Reservoir Sampling over Data Streams,” Proceedings of the 19th International Conference on Scientific and Statistical Database Management (SSDBM), Banff, Canada, July 9-11, 2007. [PDF]
  4. Mohammed Al-Kateb, Byung Suk Lee, and X. Sean Wang, “Reservoir Sampling over Memory-Limited Stream Joins,” Proceedings of the 19th International Conference on Scientific and Statistical Database Management (SSDBM), Banff, Canada, July 9-11, 2007. [PDF]
  5. Yongzhen Zhuang, Lei Chen, X. Sean Wang, and Xiang Lian, “A Weighted Moving Average-based Approach for Cleaning Sensor Data,” International Conference on Distributed Computing Systems (ICDCS), Toronto, Canada, June 2007. [PDF]
  6. Katerina Simonova, Alan C. H. Ling, X. Sean Wang: “Location-aware key predistribution scheme for wide area wireless sensor networks.” SASN 2006: 157-168. [PDF]
  7. Chao Yao, Lingyu Wang, X. Sean Wang, and Sushil Jajodia, “Indistinguishability: the other aspect of privacy,” Proc. 3rd VLDB Workshop on Secure Data Management (SDM'06), Springer Lecture Notes in Computer Science, Vol. 4165, Willem Jonker and Milan Petkovic, eds., Seoul, Korea, September 10-11, 2006, pages 1-17. [PDF]
  8. Min Wang, and X. Sean Wang: “Finding the Plateau in an Aggregated Time Series.” Web-Age Information Management 2006: 325-336. [PDF]
  9. S. Mascetti, C. Bettini, X. Sean Wang, and S. Jajodia. “k-Anonymity in Databases with Timestamped Data”, in Proc. of 13th International Symposium on Temporal Representation and Reasoning, IEEE Computer Society, 2006. [PDF]
  10. Like Gao, X. Sean Wang, “Feature Selection for Building Cost-Effective Data Stream Classifiers.” ICDM 2005: 621-624. [PDF]
  11. Biyu Liang, Jeff Frolik, and X. Sean Wang, “Predictive QoS Control Strategy for Wireless Sensor Networks,” The 1st Workshop on Resource Provisioning and Management in Sensor Networks (RPMSN '05) in conjunction with The 2nd IEEE International Conference on Mobile Ad Hoc and Sensor Systems, Washington, DC, Nov. 2005. [PDF]
  12. Peter Chapin, Christian Skalka, and X. Wang, “Risk Assessment in Distributed Authorization,” In Proceedings of the ACM Workshop on Formal Methods in Security Engineering, 2005. [PDF]
  13. Claudio Bettini, X. Sean Wang, and Sushil Jajodia, “Protecting Privacy Against Location-Based Personal Identification,” VLDB Workshop on Secure Data Management 2005. [PDF]
  14. Chao Yao, X. Sean Wang, and Sushil Jajodia, “Checking for k-Anonymity Violation by Views,” VLDB 2005, pp. 910-921, 2005. [PDF]
  15. Like Gao, Min Wang, and X. Sean Wang, “Quality-Driven Evaluation of Trigger Conditions on Streaming Time Series,” Proceedings of the 20th Annual ACM Symposium on Applied Computing, Santa Fe, New Mexico, March 13 -17, 2005. [PDF]
  16. Like Gao, Min Wang, X. Sean Wang, and Sriram Padmanabhan, “Expressing and Optimizing Similarity-Based Queries in SQL”, 23rd International Conference on Conceptual Modeling (ER), Nov. 2004. [PDF]
  17. Christian Skalka, and X. Sean Wang, “Trust But Verify: Authorization for Web Services”, Workshop on Secure Web Services (SWS), Oct. 2004. [ACM link, PDF]
  18. Claudio Bettini, X. Sean Wang, and Sushil Jajodia, “Identifying Sensitive Associations in Databases for Release Control”, VLDB Workshop on Secure Data Management in a Connected World (SDM), 2004. [PDF]
  19. Claudio Bettini, X. Sean Wang, and Sushil Jajodia, “A Learning-based Aprroach to Information Release Control”, at Sixth IFIP TC-11 WG 11.5 Working Conference on Integrity and Internal Control in Information Systems, 2003. [PDF]
  20. X. Sean Wang, Like Gao, and Min Wang, “Condition Evaluation for Speculative Systems: a Streaming Time Series Case”, Second Workshop on Spatio-Temporal Database Management (STDBM) 2004, pp. 65-72. [PDF]
  21. Claudio Bettini, Sergio Mascetti, and X. Sean Wang, “Mapping Calendar Expressions into Periodical Granularities”. TIME 2004: pp. 96-102. [PDF]
  22. Like Gao, Min Wang, X. Sean Wang, and Sriram Padmanabhan, “A learning-based approach to estimate statistics of operators in continuous queries: a case study.” DMKD 2003. [PDF]
  23. Abhishek Agarwal, Nikitas A. Alexandridis, Tarek A. El-Ghazawi, Zhengrong Yao, and X. Sean Wang, “An Open XML IP Search Portal Prototype.” Embedded Systems and Applications 2003.
  24. Zhengrong Yao, Like Gao, and X. Sean Wang, “Using Triangle Inequality to Efficiently Process Continuous Queries on High-Dimensional Streaming Time Series.” SSDBM 2003. [PDF]
  25. Min Wang and X. Sean Wang, “Efficient Evaluation of Composite Correlations for Streaming Time Series,” WAIM 2003. [PDF]
  26. Like Gao, Zhengrong Yao, and X. Sean Wang, “Evaluating Continuous Nearest Neighbor Queries for Streaming Time Series via Pre-fetching”, CIKM 2002, November 2002. [PDF]
  27. Claudio Bettini, Sushil Jajodia, X. Sean Wang, and Duminda Wijesekera, “Provisions and Obligations in Policy Management and Security Applications”, VLDB 2002, August 2002. [PDF]
  28. Like Gao, and X. Sean Wang. “Improving the Performance of Continuous Queries on Fast Data Streams: Time Series Case”, SIGMOD/DMKD workshop 2002, June 2002. [PDF]
  29. Like Gao and X. Sean Wang, “Continually Evaluating Similarity-Based Pattern Queries on a Streaming Time Series”, SIGMOD 2002, June 2002. [PDF]
  30. Yingjiu Li, Lingyu Wang, X. Sean Wang, and Sushil Jajodia, “Auditing Interval-Based Inference”. CAiSE 2002, pp. 553-567, Canada, May 27-31, 2002. [PDF]
  31. Claudio Bettini, Sushil Jajodia, X. Sean Wang, and Duminda Wijesekera, “Obligation Monitoring in Policy Management,” Policy 2002: IEEE 3rd International Workshop on Policies for Distributed Systems and Networks, June 2002. [PDF]
  32. Min Wang and X. Sean Wang, “Optimizing Relational Store for E-Catalog Queries: a Data Mining Approach,” Proceedings of the 2002 ACM Symposium on Applied Computing, Madrid, Spain, pp. 1147--1152, March 2002. [PDF]
  33. Yingjiu Li, Peng Ning, X. Sean Wang, and Sushil Jajodia, “Generating Market Basket Data with Temporal Information,” KDD Workshop on Temporal Data Mining, August 2001. [PDF]
  34. Yang, R., X. Deng, M. Kafatos, C. Wang, and X. Sean Wang, “An XML-Based Distributed Metadata Server (DIMES) Supporting Earth Science Metadata,” in Proceedings of the 13th International Conference on Scientific and Statistical Database Management, pages 251-256, IEEE, Computer Society, 2001. [PDF]
  35. Yingjiu Li, Peng Ning, X. Sean Wang, and S. Jajodia, “Discovering Calendar-based Temporal Association Rules”, The Eighth International Symposium on Temporal Representation and Reasoning (TIME-01), June 2001. [PDF]
  36. Changzhou Wang and X. Sean Wang, “Supporting Subseries Nearest Neighbor Search via Approximation”, Proceedings of the Ninth International Conference on Information and Knowledge Management, 6-11 November 2000. [PDF]
  37. Yingjiu Li, Ningning Wu, Sushil Jajodia, and X. Sean Wang, “Enhancing Profiles for Anomaly Detection Using Time Granularities”, Workshop on Intrusion Detection, in conjunction with the 7th ACM Conference on Computer and Communication Security. Athens, Greece, 1-4 November 2000. [PDF]
  38. P. Ning, X. Sean Wang, and S. Jajodia, “A Query Facility for Common Intrusion Detection Framework”, Proceedings of the 23rd National Information Systems Security Conference, October 16--19, 2000. [PDF]
  39. R. Yang, K-S Yang, M. Kafatos, and X. Sean Wang, “Value Range Queries on Earth Science Data via Histogram Clustering”, In the International Workshop on Temporal, Spatial and Spatio-Temporal Data Mining, in conjunction with the 4th European Conference on Principles and Practice of Knowledge Discovery in Database. Lyon, France, September 12-16, 2000. [Springer Link, Springer PDF]
  40. Yingjiu Li, X. Sean Wang, and Sushil Jajodia, “Discovering Temporal Patterns in Multiple Granularities”, In the International Workshop on Temporal, Spatial and Spatio-Temporal Data Mining, in conjunction with the 4th European Conference on Principles and Practice of Knowledge Discovery in Database. Lyon, France, September 12-16, 2000. [PDF]
  41. Brodsky, C. Farkas, D. Wijesekera, and X. Sean Wang, “Constraints, Inference Channels and Secure Databases”, In the Sixth International Conference on Principles and Practice of Constraint Programming, September 18 -- 22, 2000. [PDF]
  42. J. Yang, P. Ning, X. Sean Wang, and S. Jajodia, “CARDS: A Distributed System for Detecting Coordinated Attacks”, In the 15th International Conference on Information Security, Beijing, China, August 2000.
  43. P. Ning, X. Sean Wang, and S. Jajodia, “An Algebraic Representation of Calendars”, In The AAAI-2000 Workshop on Spatial and Temporal Granularity, Austin, Texas, July, 2000.
  44. C. Wang and X. Sean Wang, “Supporting Content-based Searches on Time Series via Approximation”, In the 12th International Conference on Scientific and Statistical Database Management, July 2000.
  45. D. Dang and X. Sean Wang, “Pattern discovery for non-uniform database”, The First International Conference on Web-Age Information Management, Shanghai, China, June 2000.
  46. C. Bettini, X. Sean Wang, and S. Jajodia, “Free Schedules for Free Agents in Workflow Systems”, The Seventh International Workshop on Temporal Representation and Reasoning Nova Scotia, Canada, July 2000.
  47. Changzhou Wang and X. Sean Wang, “Multilevel Filtering for High Dimensional Nearest Neighbor Search.” ACM SIGMOD Workshop on Research Issues in Data Mining and Knowledge Discovery, 2000. pp. 37--43.
  48. M. Kafatos, R. Yang, D. Wong, and X. Sean Wang, “Earth Observing and Distributed Data Information System for Earth Systems Sciences”, Proceedings of the International Symposium on Digital Earth, pp. 143--152, Beijing, China, November 1999.
  49. Y. Qu, C. Wang, and X. Wang, “Supporting Fast Search in Time Series for Movement Patterns in Multiple Scales”, 1998 International Conference on Information and Knowledge Management, November, 1998.
  50. M. Kafatos, X. Sean Wang, Z. Li, R. Yang, and D. Ziskin, “Information Technology Implementation for a Distributed Data System Serving Earth Scientists: Seasonal to Interannual ESIP”, The 10th International Conference on Scientific and Statistical Database Management. July 1998.
  51. Z. Li, X. Sean Wang, M. Kafatos, and R. Yang, “A Pyramid Data Model for Supporting Content-based Browsing and Knowledge Discovery”, The 10th International Conference on Scientific and Statistical Database Management. July 1998.
  52. J.-L. Lin, X. Sean Wang, and S. Jajodia, “Abstraction-Based Misuse Detection: High-Level Specifications and Adaptable Strategies”, In Proceedings of the Eleventh Computer Security Foundations Workshop, Rockport, MA, pages 190-201, June 1998.
  53. C. Bettini, X. Sean Wang, and S. Jajodia, “Satisfiability of Quantitative Temporal Constraints with Multiple Granularities”. Third International Conference on Principles and Practice of Constraint Programming (CP97), Schloss Hagenberg, Austria October 29 - November 1, 1997.
  54. M. Kafatos, Z. Li, X. Sean Wang, R. Yang, et al. (1997), “The Virtual Domain Application Data Center: Serving Interdisciplinary Earth Scientists”, Proc. of 9th Intl. Conf. on Scientific and Statistical Database Management, Olympia, Washington, August 11-13, 1997.
  55. C. Bettini, X. Sean Wang, and S. Jajodia, “An Architecture for Supporting Interoperability among Temporal Databases”. Dagstuhl seminar on Temporal Databases, June 1997.
  56. C. Li and X. Sean Wang, “A Data Model for Supporting On-Line Analytical Processing”, Proceedings of the fifth International Conference on Information and Knowledge Management (CIKM), November 1996.
  57. C. Li and X. Sean Wang, “Optimizing Statistical Queries by Exploiting Orthogonality and Interval Properties of Grouping Relations,” Proceedings of the Eighth International Conference on Scientific and Statistical Database Management, June 1996, Stockholm, Sweden.
  58. C. Bettini, X. Sean Wang, and S. Jajodia, “Testing Complex Temporal Relationships Involving Multiple Granularities and Its Application to Data Mining,” Proceedings of 1996 Symposium on Principles of Database Systems. June 1996.
  59. C. Bettini, X. Sean Wang, and S. Jajodia, “A General Framework and Reasoning Models for Time Granularity,” Proceedings of the Third International Workshop on Temporal Representation and Reasoning, May 1996, Key West, Florida, USA.
  60. A. Brodsky and X. Sean Wang, “On Approximation-based Query Evaluation, Expensive Predicates and Constraint Objects,” Proceedings of ILPS95 Workshop on Constraints, Databases, and Logic Programming. December 1995.
  61. X. Sean Wang, “Algebraic Query Languages on Temporal Databases with Multiple Time Granularities,” Proceedings of the 1995 Conference on Information and Knowledge Management. December 1995.
  62. C. Bettini, X. Sean Wang, E. Bertino, and S. Jajodia, “Semantic Assumptions and Query Evaluation in Temporal Databases,” Proceedings of the 1995 ACM SIGMOD International Conference on Management of Data.
  63. X. Sean Wang, C. Bettini, A. Brodsky, and S. Jajodia, “On the Relevance of Time Granularity in the Design of Temporal Databases,” AI*IA Workshop on Temporal Reasoning, Parma, Italy, 1994.
  64. S. Jajodia and X. Sean Wang, “Temporal Mediators as a Way to Support Multiple Temporal Representations,” Proceedings of International Workshop on an Infrastructure for Temporal Databases, Arlington, TX, 1993.
  65. S. Jajodia and X. Sean Wang, “Temporal mediators: Supporting uniform access to heterogeneous temporal databases”, Proceedings of the Workshop on Interoperability of Database Systems and Database Applications, 223--234, 1993, Fribourg, Switzerland.
  66. X. Sean Wang, S. Jajodia, and V.S. Subrahmanian, “Temporal Modules: an Approach toward Federated Temporal Databases,” Proceedings of the 1993 ACM SIGMOD International Conference on Management of Data, pp. 227--236.
  67. S. Ginsburg and X. Sean Wang, “Pattern Matching by RS-Operations: Towards a Unified Approach to Querying Sequenced Data,” Proceedings of the 11th ACM Symposium on Principles of Database Systems, June 2-5, 1992, San Diego. 

Technical Magazine Articles:

  • Ruixin Yang, Menas Kafatos, and X. Wang, “A Web-based Scientific Data and Information Super Server with a Flexible XML Metadata Support,” IEEE Internet Computing, 6(4), pp. 52-59, July/August 2002.

Chapters and refereed contributions in books and encyclopedias:

  1. Like Gao and X. Sean Wang, "Time Series Query", to appear in Encyclopedia of Database Systems, Özsu, M. Tamer; Liu, Ling (Eds.)
  2. C. Bettini, X. Sean Wang, and S. Jajodia, "Temporal Granularity", to appear in Encyclopedia of Database Systems, Özsu, M. Tamer; Liu, Ling (Eds.)
  3. C. Bettini, S. Mascetti, and X. Sean Wang. “Privacy Issues in Location-based Services”. In Encyclopedia of GIS, Shekhar, Shashi; Xiong, Hui (Eds.), Springer, 2008. ISBN: 978-0-387-30858-6.
  4. C. Bettini, S. Mascetti, X. Sean Wang. “Privacy Protection through Anonymity in Location-based Services.” In Digital Privacy: Theory, Technologies, and Practices, Taylor and Francis, 2007.
  5. X. Sean Wang and S. Jajodia. “Privacy Protection with Uncertainty and Indistinguishability”, In Digital Privacy: Theory, Technologies, and Practices, Taylor and Francis, 2007.
  6. R. Yang, M. Kafatos, K-S. Yang, and X. Sean Wang, “Data Mining In Integrated Data Access And Data Analysis Systems,” In “Data Mining for Scientific and Engineering Applications (Massive Computing, V. 2),” by Robert L. Grossman et al. (eds), pages 183-199, Kluwer Academic Publishers, 2001, ISBN 1-4020-0033-2.
  7. V. Tsotras and X. Sean Wang, “Temporal Databases,” An article in Encyclopedia of Electrical and Electronics Engineering (ed. John G. Webster), Wiley, Feb 1999.
  8. C. Bettini, C. Dyreson, W. Evans, R. Snodgrass, and X. Sean Wang, “A Glossary of Time Granularity Concepts,” in Temporal Databases: Research and Practice, Springer-Verlag, 1998.
  9. Y. Wu, S. Jajodia, and X. Sean Wang, “Temporal Database Bibliography Update,” in Temporal Databases: Research and Practice, Springer-Verlag, 1998. 

Recent Invited Talks and Short Courses

  • VLDB Secure Data Management Workshop, 2008, invited talk, "How anonymous is k-anonymous? Look at your quasi-ID"
  • University of Milan, Italy, 2008, short course, "Privacy protection techniques for data intensive systems"
  • University of Massachusetts at Lowell, 2007, invited talk, "Privacy Protection through Anonymity in Location-based Services"
  • North Eastern University, China, and Regional Young Computer Scientist & Engineers Forum (YoCSEF), 2007, invited talk, "Computer Science Research Howto's: From Pasteur's Quadrant to Heilmeier's Catechism, and Scientific Ethics"
  • University of Milan, 2006, short course, "Sensor Networks"
  • Shanghai Jiao Tong University, China, 2005, short course, "Time Series Queries and Sensor Networks"

Teaching History

  • 2003—Present: The University of Vermont, Burlington, Vermont
  • 1992--2003: George Mason University, Fairfax, Virginia

Awards

  • NSF Career Award 1998.
  • NSF Research Initiation Award, 1994.
  • “Outstanding Academic Achievement” award by the Office of International Students and Scholars, University of Southern California, 1990.

 Professional Affiliations

  • Member of ACM and IEEE Computer Society.

Journal Editorial Boards

  • IEEE Transaction on Knowledge and Data Engineering, IEEE. 2005-now
  • World Wide Web, a Springer Journal. 2006-now.
  • Knowledge and Information Systems, an International Journal, Springer. 2003-2008.

Journal reviewer

Information Systems; IEEE Transaction on Knowledge and Data Engineering; VLDB Journal; ACM Transactions on Database Systems; Information Sciences; Theoretical Computer Science; Information Systems Research. Knowledge and Information Systems (KAIS): An International Journal; Distributed and Parallel Databases; Data and Knowledge Engineering (Elsevier Science); International Journal Artificial Intelligence in Medicine (Elsevier Science); International Journal of Information Security (Springer). 

Steering Committee

  • 2004-2008. Web-Age Information Management Conferences, Chair. 
  • 2000-2004. Web-Age Information Management Conferences, member.

Conference Program Committee Chair

  • The 14th Symposium on Temporal Representation and Reasoning, 2007
  • IFIP TC-11 WG 11.1 & WG 11.5 Joint Working Conference, 2005
  • The 5th International Conference on Computer and Information Technology, 2005
  • The 2nd Web-Age Information Management, 2001.

Conference and Workshop Organizer

  • General Chair – WISE 2008
  • Tutorial chair -- WAIM 2005
  • Local organization chair -- TIME 2005
  • SIGMOD'2003 New Database Faculty Symposium, co-chair
  • SIGMOD'2002 New Database Faculty Symposium, co-chair 
  • Web Chair--SIGMOD 2001

Conference Program and Organization Committees

  1. CIKM 2008
  2. SIGMOD IDAR 2008
  3. ER 2008
  4. IFIPSec 2008
  5. WAIM 2008
  6. TIME 2008
  7. ICDE 2008
  8. ER 2007
  9. SIGMOD IDAR 2007
  10. APWeb/WAIM 2007
  11. SITIS 2007
  12. DASFAA 2007
  13. ICDE PDM 2007
  14. PKDD ECML 2006
  15. CIKM 2006
  16. WAIM 2006
  17. STITIS 2006
  18. TIME 2006
  19. Privacy in Data Management 2006
  20. WAIM 2005
  21. The 2005 IEEE International Conference on Web Services (ICWS 2005)
  22. 2005 ACM Symposium on Applied Computing, Data Stream Track
  23. SSDBM 2005
  24. VLDB 2005
  25. ICDM 2004
  26. COMSAC 2004
  27. SSDBM 2004
  28. TIME 2004
  29. DBA 2004
  30. WAIM 2004
  31. IRMA 2004
  32. APWeb 2004
  33. 8th International Conference on Database Systems for Advanced Applications (DASFAA) 2003
  34. SSDBM 2003
  35. EDBT 2002
  36. ICDE 2002
  37. Time 2002
  38. SSDBM 2002
  39. CIKM 2001
  40. Time 2001
  41. International Workshop on Mining Spatial and Temporal data (with PAKDD-01), 2001
  42. Workshop on Data Mining for Security Applications 2001
  43. ER 2001
  44. VLDB 2001
  45. 2001 Intl. Conf. on Scientific and Statistical Database Management (SSDBM)
  46. 2000 International Workshop on Data Warehousing and OLAP
  47. AAAI-2000 Workshop on Spatial and Temporal Granularity
  48. 2000 Web-Age Information Management (WAIM)
  49. 1999 Fifth International Conference on Principles and Practice of Constraint Programming (CP)
  50. 1999 Workshop on Spatio-Temporal Data Models and Languages
  51. The 9th Intl. Conf. on Scientific and Statistical Database Management (SSDBM), August 1997
  52. Dagstuhl seminar on Temporal Databases, June 1997

Grant Reviewer and Panelist

  • NSF; NASA; State of Louisiana; ARO; Vermont EPSCoR.

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