In the inter-element influence determination apparatus, a receiver receives request information from a user terminal. A system information storage device stores system information containing attribute information indicating attributes of each element in a system. A relationship information storage device stores relationship information indicating relationships in which direct interaction is provided between elements. On the basis of the attribute information and the relationship information, an influence determiner virtually connects each element included in the system, thereby creating a system network model which models the system, and on the basis of the system network model, determines whether a second element is influenced when a change is made to a first element. A transmitter transmits to the user terminal determination result information indicating the result of the determination by the influence determiner.
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