K. M. Azharul Hasan Tatsuo Tsuji Ken Higuchi An Efficient Implementation for MOLAP Basic Data Structure and Its Evaluation. 288-299 2007 conf/dasfaa/2007 DASFAA http://dx.doi.org/10.1007/978-3-540-71703-4_26 db/conf/dasfaa/dasfaa2007.html#HasanTH07