| 摘要 |
Rolling long-term data storage using a data set which is divided into a plurality of aggregation levels 504, which may correspond to different time periods. For each aggregation level, information relating to a mathematical function that describes the data within the aggregation level is stored 506 together with an aggregation value 508, which may be the sum of the data values within the level. The information relating to the mathematical function may be one or more coefficients of sixth degree a polynomial function. The data of the data set may include time stamped data, and may relate to wagers placed by an online gaming player. |
