Aiming at the systematic storage and application for the knowledge sources produced by the education and research activities at Tokyo Tech, T2R2, one of the "pillars" of Tokyo Tech STAR, is developed as a system that provides a unified data storage, management and dissemination system for such academic data as papers and books published by researchers of Tokyo Tech.

The figure on the right represents the system architecture of Tokyo Tech STAR consisting of three ""pillars"", where ""CourseWareHouse"" is the pillar that stores education sources, ""Research Repository"" is the one that stores the research contents, ""Digital Museum"" is the one that stores cacademic achievements. The open sources for each ""pillar"" are called Tokyo Tech OCW (Open Course Ware), Tokyo Tech ORR (Open Research Reository) and Tokyo Tech ODM (Open Digital Museum) , respectively.