Digest index generation method for time sequence key value type industrial process data
A technology for industrial process and time-series data, which is applied in unstructured text data retrieval, electrical digital data processing, special data processing applications, etc., can solve problems such as difficult, fast and efficient query of time-series data, so as to avoid missing check behavior and improve Efficiency, reducing the effect of string comparisons
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[0026] Example: such as figure 1 and figure 2 Shown; A summary index generation method for time-series key-value industrial process data, which includes:
[0027] S1: Obtain time-series key-value industrial process data;
[0028] S2: Perform smooth noise preprocessing on the acquired time series data to obtain time series data with time stamps;
[0029] The specific steps of performing smooth noise preprocessing on the acquired time series data in the step S2 are as follows:
[0030] S21: Perform deviation detection on the original time series data; find noise, outliers and unusual values, examine the definition domain and data type of each attribute and the range of acceptable values for each attribute;
[0031] S22: By inspecting the values in the data field, smoothing the ordered data by obtaining the smoothed data value according to the bin average method in the binning method, discretizing the continuous data, obtaining the preprocessed time series data, and incre...
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