A method and system is provided for exchanging information over a computer network. A network server computer system receives a query request from at least one client computer system over a computer network. The query request is formatted into an extensible markup language query document according to an extensible markup language document application program interface. The extensible markup language query document is transmitted to at least one business intelligence server computer system. The at least one business intelligence server computer system retrieves the information requested in the extensible markup language query document from at least one data storage device.