A data retrieval system includes a gateway server and an access client. The gateway server is communicatively connected to the access client through a network. The gateway server provides a presentation service (PS) and a real-time service (RTS), which cooperate with the access client to retrieve data...http://www.google.de/patents/US8041776?utm_source=gb-gplus-sharePatent US8041776 - Asynchronous real-time retrieval of data