Method, do the tag attaching method and its system which presume private friend relationship on the basis of the legible data

摘要

There are provided a method for inferring a personal relationship of a user from readable data, and a method and a system for more precisely recognizing a certain person included in digital data created by a digital device of the user by using the readable data. More particularly, a method for analyzing readable data and inferring a personal relationship of the user from the analyzed readable data is provided. Further, a method and a system for providing a plurality of candidates having high probabilities of being determined as the certain person by referring to the readable data, and attaching tag information to the digital data by using information on the plurality of the candidates are provided. Using such methods and a system, the personal relationship of the user can be automatically inferred, thus tagging the digital data with ease.