PROBLEM TO BE SOLVED: To extract a character string of an accurate place name from a character string including a notation of an incomplete place name.SOLUTION: A computer is permitted to execute a process of receiving a character string, referring to a storage storing place name character strings, and outputting a place name character string which contains a larger number of characters common to both characters contained in the character string and characters contained in the place name character strings, and which contains at least one character from the end of the place name character string as a place name included in the character string.SELECTED DRAWING: Figure 2
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