PROBLEM TO BE SOLVED: To provide a technical research support device or the like capable of reducing search mistakes, performing a certain level of search regardless of the user's experience, and shortening the search time. SOLUTION: A technical research support device has an input unit that accepts input of one or more search keywords transmitted from a user terminal that can be operated by a user as a search condition, and the search every time the input of the search keyword is received. A technology that gives a bird's-eye view of each of the document data based on a search execution unit that repeatedly searches for preceding document information including keywords and higher-level conceptualized information that indicates the bibliographic information corresponding to the preceding document information including the search keyword in a higher-level concept. The technical bird's-eye view information includes a generation unit that generates the technical bird's-eye view information and updates the technical bird's-eye view information by repeatedly executing the search of the search execution unit, and an output unit that outputs the technical bird's-eye view information to the user terminal. Be prepared. [Selection diagram] Fig. 1
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