Methods and systems for optimal access of data are disclosed. A system for optimally updating data is described wherein a central database transmits a location table to a remote terminal having an access time variant (ATV) storage medium wherein a first set of data items is stored. The data on the ATV...http://www.google.se/patents/USRE37600?utm_source=gb-gplus-sharePatent USRE37600 - Apparatus and method for data access
