Fast mining of frequent tree structures by hashing and indexing.

Dimitrios Katsaros Alexandros Nanopoulos Yannis Manolopoulos Fast mining of frequent tree structures by hashing and indexing. 129-140 2005 47 Information & Software Technology 2 http://dx.doi.org/10.1016/j.infsof.2004.06.006 db/journals/infsof/infsof47.html#KatsarosNM05