A prediction method of web service QoS based on multivariate time series
A technology of multivariate time series and forecasting method, applied in the field of information, which can solve problems such as affecting forecasting accuracy and failing to reflect QoS attribute values.
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[0060] Below in conjunction with specific embodiment, further illustrate the present invention, should be understood that these embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention, after having read the present invention, those skilled in the art will understand various equivalent forms of the present invention All modifications fall within the scope defined by the appended claims of the present application.
[0061] Such as figure 1 As shown, it is an overall step diagram of the Web Service QoS prediction method based on multivariate time series of the present invention, which mainly includes 5 steps:
[0062] Step 1: Collect the QoS attribute data of the determined single Web service;
[0063] Step 2: QoS attribute data preprocessing;
[0064] Step 3: Establish a RBF (radial basis) neural network prediction model based on multivariate time series;
[0065] Step 4: Set the error threshold δ, train t...
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