| Description
| - The application discloses a commodity similarity matching method and a device, equipment, a medium and a product thereof, wherein the method comprises the following steps: acquiring user behavior data, and determining the increment score of the commodity object accessed by the corresponding user according to the commodity object access record in the user behavior data; according to the historical access commodity list private to the user, calculating a required intermediate variation value for calculating the similarity between the commodity object and all the commodity objects in the historical access commodity list based on the incremental score; updating the similarity numerical values in the corresponding elements in the commodity similarity list according to the intermediate variation value; and responding to the commodity object pointed by the external user request, inquiring the commodity similarity list, and obtaining a target commodity object with a similarity value meeting a preset condition for responding to the external user request. The method and the device adopt the mode of incremental similarity calculation to quickly calculate the similarity required by the similarity matching of the commodities in real time, and are suitable for high-frequency calling and real-time responding service scenes.
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