| 摘要 |
A system for selecting and delivering information related to stationary exhibits in a premise to a user has a user-portable computerized appliance for receiving and reporting the information to the user, a data repository for storing the information, a system for periodically determining position of the appliance within boundaries of the premise, a server for selecting from the information and delivering the selected information to the appliance for reporting to the user, and a wireless communication link between the data repository and the user-portable appliance, characterized in that the system periodically tracks the position of the user-portable appliance within the boundaries of the premise, and in that the server selects and presents information specific to an exhibit if the user-portable appliance is stationary, and in response to movement of the user-portable device, selects and presents general information related to one or more approachable exhibits in the direction of movement of the device.
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