1. D. W. Cornell, P. S. Yu: Site Assignment for Relations and Join Operations in the Distributed Transaction Processing Environment. ICDE 1988: 100–108
2. U. Dayal, Query Processing in a Multidatabase System, In Query Processing in Database Systems 1985: 81–108
3. W. Du, M.-C. Shan, U. Dayal, Reducing Multidatabase Query Response Time by Tree Balancing. SIGMOD Conference 1995: 293–303
4. C. Evrendilek, A. Dogac, S. Nural, F. Ozcan, Multidatabase Query Optimization. Distributed and Parallel Databases 5(1): 77–114 (1997)
5. W. Meng, and C. Yu, Query Processing in Multidatabase Systems, In Modern Database Systems: The Object Model, Interoperability, and Beyond, edited by W. Kim, Addison-Wesley/ACM Press, 1995:551–572