Patent ID: 11880866
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 0:
1. An electronic apparatus comprising:
a microphone;
a speaker;
a memory storing a knowledge graph comprising information on a plurality of product categories corresponding to a plurality of products, utterance history information obtained based on a user voice that is input through the microphone, and advertisement history information on a past advertisement provided through the speaker; and
a processor connected to the microphone, the speaker, and the memory,
wherein the processor is configured to:
obtain at least one product keyword from a text converted from the user voice that is input through the microphone;
identify one or more product categories related to the at least one product keyword, from among the plurality of product categories, based on the knowledge graph;
determine whether to provide an advertisement related to the user voice based on an interest level of a user in the identified one or more product categories that is obtained according to the utterance history information and an advertisement fatigue level of the user obtained according to the advertisement history information; and
based on a determination to provide the advertisement, obtain advertisement information based on a target product category identified according to the interest level of the user from among the identified one or more product categories, and
control the speaker to output an advertisement voice based on the advertisement information,
wherein the plurality of product categories included in the knowledge graph are configured in a hierarchical structure,
wherein the processor is further configured to identify the interest level of the user in the plurality of product categories using weights set differently according to levels of the plurality of product categories, and
wherein a weight assigned to a high level-product category is set lower than a weight assigned to a low level-product category.