1. A system for hosting data, comprising: at least one computing device in a first region of control that: receives from at least one computing device in a second region of control via at least one network, a data request applicable to at least one data set stored by the at least one computing device in the first region of control; in response to the data request, extracts a subset of results from the at least one data set based on the data request; infers from the subset of the results additional semantic information that describes the at least one data set; and forms or updates mapping information that describes an identifier of the at least one data set based on the additional semantic information.