The chief component of OLAP is the OLAP server, which sits between a client and a database management systems (DBMS). The OLAP server understands how data is organized in the database and has special functions for analyzing the data. There are OLAP servers available for nearly all the major database systems.

Alta Plana's OLAP Page
Offers links to OLAP related Web sites, documentation and resources, corporate pages, and consultants.

OLAP glossary
Offers OLAP and OLAP server term definitions.

OLAP on the Web
This Internet Systems article, from January 1997, describes the trend to enable OLAP tools to work with Web browsers and servers.