1. A method for relating documents to a region of interest, the method comprising: linking a plurality of location references stored in memory to a plurality of documents by a server, the linking including: creating a location reference index which includes a location reference identifier for each location reference and a list of words within each location reference, querying the location reference index using words retrieved from one or more of the plurality of documents, and creating a document-location reference index using results from the query of the location reference index, records associated with each document of the document-location reference index including a document identifier, one or more location reference identifiers linked to the document, and a score for each location reference identifier linked to the document; and processing a document request after the linking, the processing including: selecting a sub-set of the plurality of location references associated with a region of interest, querying the document-location reference index using each of the location references of the selected sub-set of location references and the score for the each of location references, and selecting a subset of the plurality of documents associated with the sub-set of location references using results of the query of the document-location reference index.