Abnormal telephone recognition method and system based on feature selection and integrated learning
An ensemble learning and feature selection technology, applied in ensemble learning, telephone communication, character and pattern recognition, etc., can solve problems such as sample imbalance, reduced model recognition efficiency, poor performance of abnormal phone recognition models, and low accuracy. Effect
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Embodiment 1
[0055] In one or more implementations, a method for identifying abnormal phone calls based on feature selection and integrated learning is disclosed, such as Figure 6 As shown, it specifically includes the following steps:
[0056] (1) Construct a mixed data set;
[0057]In the data sample, the abnormal call behavior detection problem belongs to the category imbalance problem because the number of instances of normal call behavior is much larger than that of abnormal ones. And there are some "dirty data" of unknown categories and a small amount of abnormal calls in the normal call samples provided by the operator. The focus of the research in this example is the analysis of abnormal phone behaviors under high-dimensional small samples, so when sampling the sample set, it is necessary to construct a mixed data set to restore the real data set such as figure 1 shown.
[0058] (1) Mining sample features through the user's historical call behavior in the window from the start ...
Embodiment 2
[0138] In one or more embodiments, an electronic device is provided, including a memory, a processor, and computer instructions stored in the memory and executed on the processor. When the computer instructions are executed by the processor, the steps in the method are completed. Each operation, for the sake of brevity, will not be repeated here.
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