Related
Aggregate Navigation With (Almost) No Metadata
dbmsmag.com · · Page
Open source olap on Wikipedia
en.wikipedia.org · · Page
Good number of links to various FOSS implementations.
Building Data Warehouses with MySQL
jeremy.zawodny.com · · Page
Building Data Warehouses with MySQL (Michael J. Radwin's blog)
radwin.org · · Page
mySQL As A Data Warehousing Platform?
rittman.net · · Page
Bissantz OLAP and Sparkline
bissantz.de · · Page