1. A method of operating a computerized document search system where information is matched against a database containing documents in response to user queries, comprising the steps of: (a) receiving a query identifying a source document that has information content related to the documents within the database; (b) automatically detecting important words within the source document where at least one of the important words has been processed using at least two dictionary functions selected from a group of dictionary functions consisting of: Derived Words; Acronym; Word Capitalization; and Hyphenation; (c) processing documents in the database in which an importance value of at least one important word for at least one processed document is generated using a WordRatio and at least one value selected from a group of values consisting of: a value defined for said important word related to a document section that occurs in the document; a value defined for said important word in at least one classification associated with the document; a value defined for said important word in a document type that applies to the document; a value defined for said important word across multiple document classifications; and a value based on the statistical occurrence of said important word across at least two different documents; and (d) generating a score for a processed document based partly on the importance value of at least one important word in that document.