Sorting engine training method and device and service card sorting method and device

The invention provides a sorting engine training method and device and a service card sorting method and device, and the sorting engine training method comprises the steps: carrying out the feature extraction of sample data of a target service scene according to a pre-configured feature set; calculating the weight of the extracted features according to a preset configured feature correlation algorithm; determining a feature combination corresponding to the target service scene according to the calculated weight; training at least one pre-configured sorting engine model based on the feature combination and the sample data; and determining a sorting engine model of the target service scene according to the training result. According to the method, the training method of the sorting engine isimproved, so that the sorting engine obtained through training can be applied to various application scenes, and the universality is high. 本申请提供了一种排序引擎训练方法及装置、业务卡排序方法及装置，该排序引擎训练方法包括：按照预先配置的特征集，对目标业务场景的样本数据进行特征提取；根据预设配置的特征相关性