1. A computer implemented method for keeping and finding information, comprising: a processor generating a semantic vector for a search term based upon a global frequency of other, closely related terms within a corpus that is used to compute said semantic vector relative to said search term; and said processor using said semantic vector in connection with a textual search engine, responsive to a user query comprising a search term, to promote any of documents and sites within results returned to said query by said search engine that contain other, closely related terms that strongly correlate with said search term.