A technique for ranking records of a database is disclosed. The database records to be ranked are located during a search of an index to the database performed in response to a query received from a user. The index has a plurality of index entries, wherein each index entry has a weight. The query has...http://www.google.de/patents/US6317741?utm_source=gb-gplus-sharePatent US6317741 - Technique for ranking records of a database
