1. A program for operating an information processing apparatus to function as a system for evaluating relevance between persons, the program operating the information processing apparatus to function as: relevance detecting means for detecting directed relevance of a person as a target to another person based on a text in which evaluations or feelings of the person by another person are expressed; storing means for storing the detected relevance; evaluating means for evaluating, with respect to a set of a first person and a second person to be evaluated, relevance between the first person and the second person based on a plurality of relevances including the relevances stored in the storing means and reaching the second person from the first person via at least one further person; and outputting means for outputting the evaluated relevance.