The present disclosure relates to a method for the server device to determine the value of the title of the target real estate. According to one embodiment, a method for a server device to determine the value of the title of the target real estate includes: obtaining a request for inquiry of the title of the target real estate from an external device connected to the server device; acquiring real estate information on a target real estate and user information of the external device according to the acquired request; When feature information determined based on the acquired real estate information and the user information of the external device is input, the requested target real estate is obtained using a first artificial neural network (Artificial Neural Network) model that outputs the value of the right amount of the target real estate. Determining the value of the entitlement; And outputting the value of the right money of the determined target real estate; may include.
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