3. An information processing apparatus for presenting information on an item selected in accordance with a user's preference, the information including a comment on the item, the apparatus comprising: a processor, wherein the processor is configured to: store comment data on the item, wherein the comment data includes comment information in the form of sentences describing the item; select a keyword from words in the comment data; store content data on the item, wherein the content data includes content information representing the item; extract a feature quantity of the content data; verbalize the feature quantity in the form of a word corresponding to the feature quantity, based on a dictionary that shows a relationship between the feature quantity and the word; match the keyword and the word corresponding to the feature quantity with user preference information; and control presentation of information on the item selected in accordance with the user's preference by displaying the word corresponding to the feature quantity in a format different from other words out of words constituting the comment, the word contributing to the selection of the item.
7. The apparatus according to claim 3 , wherein a word having served for the selection of the item is the same word as the word included in preference information representing the user's preference, or the word corresponding to the word included in the preference information out of words included in meta-data of the item referenced at the time of selecting the item.