G. Jeh, and J. Widom. KDD '02: Proceedings of the eighth ACM SIGKDD international conference on Knowledge discovery and data mining, page 538--543. New York, NY, USA, ACM Press, (2002)
A. Vercoustre, J. Pehcevski, and J. Thom. Pre-proceedings of the sixth International Workshop of the Initiative for the Evaluation of XML Retrieval (INEX 2007), (2007)