Towards Efficient Over-Encryption in Outsourced Databases Using Secret Sharing. - Shuai Liu; Wei Li 021; Lingyu Wang 001 (NTMS, 2008)

An Integrity Lock Architecture for Supporting Distributed Authorizations in Database Federations. - Wei Li 021; Lingyu Wang 001; Bo Zhu 001; Lei Zhang 004 (SEC, 2008)