Bill Inmon, commonly referred to as “thefather of data warehousing,” advocates what is variously called thehub and spoke architecture (i.e., a centralized data warehouse withdependent data marts), Corporate Information Factory, DW 2.0 (i.e.,Inmon's current term), or enterprise data warehouse architecture[23]. Another architecture alternative is the data mart bus architecturewith linked dimensional data marts (i.e., bus architecture), advocatedby Ralph Kimball, the other preeminent figure in data warehousing