Techniques for extracting information from a database are provided. A database such as the Web is searched for occurrences of tuples of information. The occurrences of the tuples of information that were found in the database are analyzed to identify a pattern in which the tuples of information were...http://www.google.es/patents/US6678681?utm_source=gb-gplus-sharePatente US6678681 - Information extraction from a database
