Searching system, searching method, and searching program

Abstract

A control unit outputs, to the user terminal, a first item including a first component value in a plurality of principal components composing items, and a plurality of item candidates including component values that are different from the first component value. The control unit specifies a second item selected in the user terminal from among the plurality of item candidates. The control unit calculates, for each principal component, the positional relationship between the first component value and a second component value of the second item. The control unit calculates, for each principal component, a distribution based on the component values according to the positional relationship. The control unit newly generates, for the second item, a plurality of item candidates on the basis of the distribution based on the component values. The new item candidates are output to the user terminal.