OLAP

On Line Analytical Processing

• http://en.wikipedia.org/wiki/OLAP
• http://jcp.org/en/jsr/detail?id=069

Open source

• http://mondrian.pentaho.org/
• http://sourceforge.jp/projects/openolap/
• http://www.palo.net/
• http://en.wikipedia.org/wiki/Open_Source_OLAP

Commercial

• JasperAnalysis

Discussion about OLAP