1. A method, in a data processing system comprising a processor and a memory, for processing sources of content in a corpus of information associated with a domain, comprising: ingesting, by the data processing system, a plurality of sources of content in the corpus of information associated with the domain; determining, by the data processing system, at least one temporal category for the domain based on identification of frequently occurring references to at least one of temporal terms or time spans specified in the plurality of sources of content in the corpus of information associated with the domain; storing, by the data processing system, the at least one temporal category for the domain in association with the domain; and processing, by the data processing system, queries applied to the plurality of sources of content in the corpus of information associated with the domain based on the stored at least one temporal category for the domain.