Research

 

Research interests include computer and information security and data privacy. Main research interests include assessing and developing methods of anonymizing non-relational data targeted for security analysis and data mining tasks. This includes anonymizing network flows and packet traces, as well as social networks and other graph data.

Publications

Conference Publications:


  1. • An Efficient Framework for User Authorization Queries in RBAC Systems
    Guneshi Wickramaarachchi,     Wahbeh Qardaji and Ninghui Li
    Proceedings of the 14th ACM Symposium on Access Control Models and Technologies (SACMAT), 2009


  1. • Access Control Policy Combining: Theory Meets Practice
    Ninghui Li, Qihua Wang,     Wahbeh Qardaji, Elisa Bertino, Prathima Rao, Jorge Lobo and Dan Lin
    Proceedings of the 14th ACM Symposium on Access Control Models and Technologies (SACMAT), 2009

Technical Reports:


  1. • Provably Private Data Anonymization: Or, k-Anonymity Meets Differential Privacy [pdf]

      Ninghui Li, Wahbeh Qardaji, and Dong Su

      CERIAS Technical Report, CERIAS TR 2010-24, 2010