Patent ID: 11907659
Assignee: BEIJING JINGDONG SHANGKE INFORMATION TECHNOLOGY CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 4:
5. The item recall method of claim 1, wherein before performing, by the electronic device, the item recall according to the retrieval category word and the expansion word, the item recall method further comprises:
presetting, by the electronic device, an item category list, wherein the item category list comprises a plurality of item categories and attributes of all of items under each of the plurality of item categories; and
determining by the electronic device, whether the expansion word is contained in the item category list or not, and based on the determination that the expansion word is contained in the item category list, filtering, by the electronic device, out the expansion word contained in the item category list;
wherein performing, by the electronic device, the item recall according to the retrieval category word and the expansion word comprises:
performing, by the electronic device, the item recall according to a filtered expansion word and the retrieval category word.