Open problems in data warehousing: eight years later.

Stefano Rizzi Open problems in data warehousing: eight years later. 2003 conf/dmdw/2003 DMDW http://sunsite.informatik.rwth-aachen.de/Publications/CEUR-WS/Vol-77/keynote.pdf db/conf/dmdw/dmdw2003.html#Rizzi03