A system and method for information retrieval includes an input device, a storage device, an output device, and a data file stored in the storage device including n data records, and one or more index files having data corresponding to a key value comprising information derived from a data record,...http://www.google.fr/patents/US5799184?utm_source=gb-gplus-shareBrevet US5799184 - System and method for identifying data records using solution bitmasks
System and method for identifying data records using solution bitmasks
