@INPROCEEDINGS{
        BCLNPSspire16,
        AUTHOR = "N. Brisaboa and A. Cerdeira and N. Lopez and G. Navarro and
		  M. Penabad and F. Silva",
	TITLE = "Efficient Representation of Multidimensional Data over
		 Hierarchical Domains",
        BOOKTITLE = {Proc. 23rd International Symposium on String Processing and Information Retrieval (SPIRE)},
        YEAR = "2016",
	SERIES = "LNCS 9954",
	PAGES = "191--203"
    }