Roland Pieringer Volker Markl Frank Ramsak Rudolf Bayer HINTA: A Linearization Algorithm for Physical Clustering of Complex OLAP Hierarchies. 11 2001 conf/dmdw/2001 DMDW http://sunsite.informatik.rwth-aachen.de/Publications/CEUR-WS/Vol-39/paper11.pdf db/conf/dmdw/dmdw2001.html#PieringerMRB01