A data base query submitted in natural speech normally requires a dialog with the data base system, which repeatedly prompts the user to submit further statements. From each speech utterance submitted by the user a plurality of sets of statements are derived. The statements in these sets are tested for...http://www.google.com.au/patents/US6513037?utm_source=gb-gplus-sharePatent US6513037 - Method of and arrangement for executing a data base query
