7. The computer of claim 2, further comprising: computer readable code means for receiving a set "U" of documents in response to a query including one or more query terms, each document containing one or more document terms; and computer readable code means for defining a correlation between at least a first document and at least one document term when both the document term and a reference to the first document are within a predetermined distance of a query term in the at least one of the documents.
7. The computer of claim 2, further comprising: computer readable code means for receiving a set "U" of documents in response to a query including one or more query terms, each document containing one or more document terms; and computer readable code means for defining a correlation between at least a first document and at least one document term when both the document term and a reference to the first document are within a predetermined distance of a query term in the at least one of the documents. 8. The computer of claim 7, wherein the correlation is associated with a weight, and the weight is based on the number of times the document term and a reference to the first document are within a predetermined distance of a query term in the set "U" of documents.