1. A method, relating to creating and maintaining information in a database of subjects, on a database server computer, available to a population of users, comprising the steps of: a) describing a database subject using a plurality of natural-language terms, each of such plurality of natural-language terms having relevance to the subject according to an involved subset of such population of users; b) rating the degree of relevance of each of such plurality of natural-language terms to such database subject according to each of such involved subset of such population of users; c) associating, in such database, such respective natural-language terms and respective degrees of relevance with each such database subject; d) computing, for such involved subset of such population of users, in such database, an overall degree of relevance of each of such plurality of natural-language terms to such database subject; and e) presenting, to at least one user of such population of users, such computed overall degree of relevance of at least one natural-language term of such plurality of natural-language terms to such database subject.