Data set construction method and device, electronic equipment and storage medium

The embodiment of the invention provides a data set construction method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining a historical retrieval request, a historical keyword group corresponding to the historical retrieval request, a user identity attribute, a historical retrieval object, and user behavior information for the historical retrieval object; then acquiring an identity reference score corresponding to the user identity attribute, a user behavior score corresponding to the user behavior information and a quantity ratio of the historical keyword groups in the historical retrieval object, and calculating the expectation of the historical retrieval object according to the identity reference score, the user behavior score and the quantity ratio; obtaining a retrieval expectation value and a retrieval expectation degree corresponding to the historical retrieval object, performing data association on the historical keyword group and the retrieval expecta