1. An information processing device comprising: a collection unit configured to collect meta feedback that is feedback on a combination including a content, a user, and feedback on the content of the user; and a prediction unit configured to obtain a predicted acceptance degree that is a prediction value of a degree to which an active user that is a target user accepts a combination including at least one of the content, the user, and the feedback, based on the collected meta feedback, wherein the prediction unit includes: an acceptance model generation unit configured to generate an acceptance model for obtaining the predicted acceptance degree, based on the collected meta feedback, and an acceptance prediction unit configured to obtain the predicted acceptance degree based on the acceptance model.