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IMPLEMENTING A COMPUTER SYSTEM TASK INVOLVING NONSTATIONARY STREAMING TIME-SERIES DATA BASED ON A BIAS-VARIANCE-BASED ADAPTIVE LEARNING RATE
IMPLEMENTING A COMPUTER SYSTEM TASK INVOLVING NONSTATIONARY STREAMING TIME-SERIES DATA BASED ON A BIAS-VARIANCE-BASED ADAPTIVE LEARNING RATE
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机译:基于基于偏差的自适应学习率的涉及非平稳流时间序列数据的计算机系统任务的实现
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摘要
A computer-implemented method for implementing a computer system task involving nonstationary streaming time-series data based on a bias-variance-based adaptive learning rate includes generating a parameter sequence including a plurality of parameters corresponding to respective iteration counts. Generating the parameter sequence includes obtaining a first parameter value corresponding to a given iteration count by calculating estimators of moments associated with an objective function corresponding to the given iteration count based on a second parameter value corresponding to a prior iteration count using a sequential mean tracking method, and obtaining the first parameter value by performing a step of a gradient descent method based on the calculated moments and the second parameter value. The method further includes learning a time-series model based on the parameter sequence, and implementing a computer system task using the time-series model.
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