1. A system for processing relationship data sets that identify relationships between various entities associated with an enterprise, the system comprising: a master data storage for storing relationship data sets, each relationship data set identifying a relationship between a set of entities; and a hierarchy manager for (i) receiving relationship data set that identifies a relationship between at least two different entities, (ii) computing a trust score for the relationship data set, (iii) determining whether the master data storage stores a particular relationship data set that identifies the relationship between the two different entities, (iv) updating the particular stored relationship data set with the received relationship data set based on the trust score when the master data storage stores the particular relationship data set, and (v) storing the received relationship data set in the master data storage when the master data storage does not store the particular relationship data set.