| 摘要 |
Certain embodiments provide a Web server, which is provided with a request reception unit for receiving a picture request including a picture ID for identifying a picture from a browser, and an information collection unit for finding the point ID corresponding to the picture ID included in the picture display request, and collecting the value of the point identified by the point ID from an IP controller. The information collection unit calculates the predictive starting time at which the value of the point is collected before the next picture display request is made from the current time, the collection time and the previous picture display request. The information collection unit collects the value of a point from the IP controller at the predictive starting time. |
