P. Ceravolo, M. Viviani, and M. C. Nocerino, Knowledge Extraction from Semi-structured Data Based on Fuzzy Techniques, International Journal of Knowledge-Based Intelligent Engineering Systems, 2004.
DOI : 10.1007/978-3-540-30134-9_44

Y. Chi, R. R. Muntz, S. Nijssen, and J. N. Kok, Frequent subtree mining -an overview, Fundamenta Informaticae XXI, pp.1001-1038, 2005.

B. O. Damiani, N. Lavarini, and L. Tanca, An Approximate Querying Environment for XML Data, Fuzzy Logic and the Internet of Series on Studies in Fuzziness and Soft Computing, 2004.
DOI : 10.1007/978-3-540-39988-9_4

D. Huffman, A method for the construction of minimum-redundancy codes, Proceedings of the Institute of Radio Engineers, 1952.
DOI : 10.1007/BF02837279

D. Knuth, The Art of Computer Programming , Volume 1 : Fundamental Algorithms, 1973.

A. Laurent, M. Teisseire, and P. Poncelet, Chapter 12 Fuzzy data mining for the semantic web: Building XML mediator schemas, To appear, 2006.
DOI : 10.1016/S1574-9576(06)80014-6

F. D. Lopez, A. Laurent, P. Poncelet, and M. Teisseire, Rsf -a new tree mining approach with an efficient data structure, Proceedings of the joint Conference : 4th Conference of the European Society for Fuzzy Logic and Technology (EUS- FLAT 2005), pp.1088-1093, 2005.
URL : https://hal.archives-ouvertes.fr/lirmm-00106090

A. Termier, M. Rousset, and M. Sebag, TreeFinder: a first step towards XML data mining, 2002 IEEE International Conference on Data Mining, 2002. Proceedings., pp.450-457, 2002.
DOI : 10.1109/ICDM.2002.1183987

M. A. Weiss14-]-m and . Zaki, Data Structures And Algorithm Analysis In C Efficiently Mining Frequent Trees in a Forest, KDD'02, 1998.