Mondrian is an OLAP (online analytical processing)
database written in Java. It implements the MDX
language, and has support for JOLAP and XML for
Analysis. It reads from SQL and other data
sources, and aggregates data in a memory cache.
Open source project that offer summary and download services on this page is a project that carry out their development work on other open source development sites. Their work is linked to this page via a feature called OFI, and their work is not carried out here on OSDN site.