Intelligent data acquisition method and system based on data characteristics

The invention relates to the field of data collection, and discloses an intelligent data collection method and system based on data characteristics, and the method comprises the steps: retrieving source data according to data demands, calculating the data association degree of the source data, and classifying the source data according to the data association degree to obtain classified data; analyzing data attributes of the classified data, and collecting data features of the classified data according to the data attributes; calculating feature weights of the data features, and performing feature fusion on the data features according to the feature weights to obtain fused features; performing feature expression on the data demand to obtain demand features, creating a feature analysis model of the data demand according to the demand features, and performing feature fitting operation on the fusion features and the demand features by using the feature analysis model to obtain a fitting value; when the fitting va