@conference {cGiro-i-Nieto06a, title = {From Partition Trees to Semantic Trees}, booktitle = {International Workshop on Multimedia Content Representation, Classification and Security}, year = {2006}, pages = {306{\textendash}313}, isbn = {3-540-39392-7}, doi = {10.1007/11848035}, url = {http://dx.doi.org/10.1007/11848035_41}, author = {Xavier Gir{\'o}-i-Nieto and Marqu{\'e}s, F.} }