@conference {16758,
	title = {Hierarchical dwarfs for the rollup cube},
	booktitle = {Proceedings of the 6th ACM international workshop on Data warehousing and OLAP  - DOLAP {\textquoteright}03},
	year = {2003},
	month = {2003///},
	pages = {17 - 17},
	address = {New Orleans, Louisiana, USA},
	doi = {10.1145/956060.956064},
	url = {http://dl.acm.org/citation.cfm?id=956064},
	author = {Sismanis,Yannis and Deligiannakis,Antonios and Kotidis,Yannis and Roussopoulos, Nick}
}
