1. Lecture Notes in Computer Science;K. Runapongsa,2002
2. Barbosa, D., Freire, J., Endelzon, A.: Designing Information-Preserving Mapping Schemes for XML. In: Proceedings of the 31st VLDB Conference, Trondheim, Norway (2005)
3. Yoshikawa, M., Amagasa, T., Shimura, T., Uemura, S.: a path-based approach to storage and retrieval of XML documents using relational databases. ACM Transactions on Internet Technology, 110–141 (2001)
4. Mlynkova, I., Pokorny, J.: XML in the World of (Object-) Relational Database Systems. Charles University, Prague, Czech Republic Technical report (2003)
5. Bohannon, P., Freire, J., Roy, P., Siméon, J.: From XML Schema to relations: A cost-based approach to XML storage. In: Proceedings of the International Conference on Data Engineering (ICDE), pp. 64–75 (2002)