A method of detecting when an application running on a UNIX computer requests information from a data server, of retrieving from the data server the minimum amount of information required by the application, and of ensuring that the application gets full group information if the application requires...http://www.google.com.tw/patents/US20070150448?utm_source=gb-gplus-share專利 US20070150448 - Method and apparatus for optimizing large data set retrieval
