A mathematical model that characterizes the affects of the updating cycle of sliding window and data streamrate on predictive accuracy is also presented.
还提出了滑动窗口的更新周期、数据流的流速对预测精度影响的数学模型。
2
Such systems trade expressiveness for performance - when well engineered, they exhibit very high scalability in both the number of queries and the streamrate.
这种系统用可表达性换取性能。当精心设计时，它们在查询数量和流率上表现出非常高的可扩展性。
3
Users on MySpace can now review, rate, and share content about businesses on MySpace Local, and reviews and ratings will appear in users' activity stream.