@INPROCEEDINGS { AUTHOR = "B{\'a}rbara Poblete and Myra Spiliopoulou and Marcelo Mendoza", TITLE = "Query-Sets++: A Scalable Approach for Modeling Web Sites", EDITOR = "Roberto Grossi and Fabrizio Sebastiani and and Fabrizio Silvestri", BOOKTITLE = "18th International Symposium on String Processing and Information Retrieval (SPIRE)", PAGES = "129-134", MONTH = "Oct", YEAR = "2011", ADDRESS = "Pisa, Italy", PUBLISHER = "Springer-Verlag", SERIES ="Lecture Notes in Computer Science", NUMBER = "7024", }