1. Baazizi, M.A., Bidoit, N., Colazzo, D., Malla, N., & Sahakyan, M. (2011) Projection for XML Update Optimization. In Proceedings of the 14th International Conference on Extending Database Technology (pp. 307–318).
2. Benedikt, M., & Cheney, J. (2009). Semantics, types and effects for xml updates. In Gardner, P., & Geerts, F. (Eds.), DBPL, Springer, Lecture Notes in Computer Science, (Vol. 5708 pp. 1–17).
3. Benzaken, V., Castagna, G., Colazzo, D., & Nguyen, K. (2006). Type-based xml projection. In VLDB.
4. Berglund, A., Boag, S., Chamberlin, D., Fernández, M.F., Kay, M., Robie, J., & Siméon, J. (2010). Xml path language (xpath) 2.0 (2nd edition). Tech. rep., World Wide Web Consortium, w3C Recommendation.
5. Basex (2015).
http://www.basex.org
.