1. A method comprising: a document management system determining characteristics of at least one document; accessing collaborative website data; retrieving, from the collaborative website data, commentary, authored by persons other than an author of said at least one document, based on the characteristics; generating metadata from said commentary; selecting a metadata template for said at least one document; filling in the metadata template with at least some of the metadata in accordance with a set of rules resulting in a filled metadata template, wherein the set of rules for filling in the metadata template are derived from data structures corresponding to the commentary authored by persons other than the author of said at least one document, wherein a rule of the set of rules comprises extracting a word from the commentary that is an adjective of the at least one document in response to the data structures corresponding to the commentary describing the at least one document using the adjective, wherein filling in the metadata template comprises filling in the metadata with the adjective; and associating the filled metadata template with said at least one document.