Research Interests

• Data and information management
• Distributed computing
• Trust and privacy
• Biomedical and health informatics

• Trustworthy Healthcare Data Management
• PrivateShare: Information Sharing across Private Databases
• PeerTrust: Resilient Reputation and Trust Management

• James Gardner
• Christopher LaRosa (co-advise with Prof. Ken Mandelburg)
• Akanksha Srivastav (co-advise with Prof. James Lu)

Publications

• C. LaRosa, L. Xiong. Mining Kernal Trace Data. Submitted for conference publication.

• J. Gardner, A. Krowne, L. Xiong. NNexus: A Subject-Steered Automatic Linker for a Massively-Distributed Collaborative Corpus. Submitted for conference publication.

• L. Xiong, S. Chitti, L. Liu. PrivateShare: Supporting Data Sharing across Private Databases. Submitted for journal publication.

• L. Xiong, L. Liu, M. Ahamad. Countering Sparsity and Vulnerabilities of Reputation Systems. Submitted for conference publication. Technical Report TR-2005-017-A, Department of Mathematics and Computer Science, Emory University.

• S. Chitti, L. Xiong, L. Liu. Mining Multiple Private Databases using a Privacy Preserving kNN Classifier. Submitted for conference publication. Technical Report TR-2006-008-A, Department of Mathematics and Computer Science, Emory University.

• D. Zhong, A. Morikawa, L. Guo, C. Colpaert, L. Xiong, A. R. Nassar, C. Chen, J. Dong, W. Zhou. Homozygous Deletion of SMAD4 in Breast Cancer Cell Lines and Invasive Ductal Carcinomas. Cancer Biology and Therapy, 5(6), 2006.

• L. Xiong, S. Chitti, L. Liu. Topk Queries across Multiple Private Databases. In 25th International Conference on Distributed Computing Systems (ICDCS 2005), Columbus, June, 2005

• M. Srivatsa, L. Xiong, L. Liu. TrustGuard: Countering Vulnerabilities in Reputation Management for Decentralized Networks. In 14th World Wide Web Conference (WWW 2005), Japan, May, 2005.

• M. Srivatsa, L. Xiong, L. Liu. ExchangeGuard: A Distributed Protocol for Electronic Fair-Exchange. In 19th IEEE International Parallel & Distributed Processing Symposium (IPDPS 2005), Denver, April, 2005

• L. Xiong, L. Liu. Reputation and Trust in Mobile Commerce. Book chapter in Advances in Security and Payment Methods for Mobile Commerce, ISBN 1591403456, Idea Group, November, 2004

• L. Xiong, L. Liu. PeerTrust: Supporting Reputation-Based Trust in Peer-to-Peer Communities. IEEE Transactions on Knowledge and Data Engineering (TKDE), Special Issue on Peer-to-Peer Based Data Management, 16(7), July, 2004

• L. Xiong, L. Liu. A Reputation-Based Trust Model for Peer-to-Peer eCommerce Communities. In IEEE Conference on Electronic Commerce (CEC'03), Newport Beach, June, 2003

• L. Xiong, L. Liu. A Reputation-Based Trust Model for Peer-to-Peer eCommerce Communities (Extended Abstract). In Fourth ACM Conference on Electronic Commerce (EC'03), San Diego, June, 2003

• D. Buttler, M. Coleman, T. Critchlow, R. Fileto, W. Han, L. Liu, C. Pu, D. Rocco, L. Xiong. Querying Multiple Bioinformatics Data Sources: Can Semantic Web Research Help? ACM SIGMOD Record, 31(4), December, 2002

• L. Xiong, L. Liu. Building Trust in Decentralized Peer-to-Peer Electronic Communities. In Fifth International Conference on Electronic Commerce Research (ICECR-5), Montreal, Canada, October, 2002

Professional Activities

• Organizer and Program Committee Co-Chair, ACM Workshop on Healthcare Information and Knowledge Management (HIKM), in conjunction with CIKM 2006
• NSF Review Panel, 2006
• Program Committee, International Conference on Computer Communications and Networks (ICCCN), 2006.
• Program Committee, International Conference on Distributed Computing Systems (ICDCS), 2006
• Program Committee, Second International Workshop on Database Interoperability (InterDB), in conjunction with ICDE, 2006
• Program Committee, Reputation in Agent Societies Workshop (RAS) in conjunction with Web Intelligence (WI), 2004
• Reviewer for various journals (IEEE JSAC 2006, Computer 2006, ACM TOIT 2006, VLDBJ 2006, IEEE TPDS 2005, IEEE TKDE 2005, IJECR 2004, IEEE TKDE 2002)
• External reviewer for various conferences (ACMSE 2006, CEC 2005, SIGMOD 2004, RIDE 2004, EDBT 2004, IJCAI 2003, WISE 2002)
• Conference Organization Volunteer, ACM International Conference on Information and Knowledge Management (CIKM), 2001
• ACM and IEEE member, 2001 - present

Conferences and Events

• SIGMOD DB Events
• SIGecom Events
• ACM Calendar