PURPOSE: A method and a system on patent information association analysis system for social network analysis result are provided to utilize for an analysis of patent information by grasping the relations between patent classifications and technical terms. CONSTITUTION: A system which provides patent information to a user computer receives the selected information about patent documents(S41). The patent documents for processing are defined based on the selected information(S42). The processed patent information is produced by processing a predetermined process about the defined patent documents(S43).
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