Report management system

A report management system is provided for creating reports to be used by a business intelligence tool that generates instances of reports including information retrieved from one or more underlying data sources. The report management system has an interactive modeling user interface for receiving user inputs and presenting options for management of reports, a content group manager for manipulation of definition of content groups in response to user inputs through the modeling user interface, a measure assignment manager for managing assignment of measures to the content groups in response to user inputs through the modeling user interface, and a report assembler for assembling reports for the content groups based on information of the measures assigned to the content groups.