A. Halevy, M. Franklin, и D. Maier. Pod. '06 Proc. twenty-fifth ACM SIGMOD-SIGACT-SIGART Symp. Princ. database Syst., стр. 1--9. New York, NY, USA, (2006)
X. Dong, и A. Halevy. SIGMOD '07: Proceedings of the 2007 ACM SIGMOD international conference
on Management of data, стр. 43--54. New York, NY, USA, ACM, (2007)