Bernd Reiner Karl Hahn HEAVEN: A Hierarchical Storage and Archive Environment for Multidimensional Array Database Management Systems. 854-857 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2992&spage=854 2004 conf/edbt/2004 EDBT db/conf/edbt/edbt2004.html#ReinerH04