Central Concerns and Questions
The major concern of our research is to specify the security requirements for certain applications, design, build, and implement information systems that satisfy the specified security requirements, and assure that the systems meet their requirements in actual operations .
Emerging Ideas and Initiatives
In the applications of public key infrastructure, we prove that a certificate authority should adopt different strategies to release certificate revocation information for different types of certificates so as to minimize its operational cost.
To protect individuals' privacy in many applications, ranging from census data release through statistical database management to data warehousing, we provide exact solutions on how to efficiently derive the most accurate information about individuals from the aggregated information that is released or published.
To protect valuable data (e.g., parametric specifications, surveys, and life sciences data) against pirated copies, we design a variety of data watermarking techniques, including robust watermark, fragile watermark, public watermark, and collusion resistant fingerprint for data distribution or publication applications.
Selected Publications
[1] H. Lu and Y. Li. Practical Inference Control for Data Cubes. IEEE Transactions on Dependable and Secure Computing (TDSC), 5(2): 87-98, 2008.
[2] C. Ma, N. Hu, and Y. Li. On the Release of CRLs in Public Key Infrastructure. In 15th USENIX Security Symposium (Security), 17-28, Canada, August 2006.
[3] H. Lu, Y. Li, and X. Wu. Disclosure Analysis for Two-Way Contingency Tables. In Privacy in Statistical Databases (PSD), 57-67, Italy, December 2006.
[4] Y. Li and R. Deng. Publicly Verifiable Ownership Protection for Relational Databases. In ACM Symposium on InformAtion, Computer, and Communication Security (ASIACCS), 78-89, Taiwan, March 2006.
[5] Y. Li, V. Swarup, and S. Jajodia. Fingerprinting Relational Databases: Schemes and Specialties. IEEE Transactions on Dependable and Secure Computing (TDSC), 2(1): 34-45, 2005.
Projects, Presentations and Posters
- LI Yingjiu, Recent Advancement in Inference Control (presentation)
- LI Yingjiu, Database Watermarking: A Systematic View (presentation)
Collaborations and Industry Linkages
- e-Cop
