Techniques for searching for best matches in tables of information are provided. A first tree is traversed according to a first value for a first field and as information is encountered at each node, the information is written to a second tree. The second tree is traversed according to a second value...http://www.google.de/patents/US6678675?utm_source=gb-gplus-sharePatent US6678675 - Techniques for searching for best matches in tables of information
