1. An information processing apparatus, comprising: an acquisition section configured to acquire content-related information including a title of a content and information describing a content of the content; a keyword extraction section configured to extract a search keyword from the content-related information acquired by said acquisition section; a site search section configured to perform a search through the Internet for websites with a web page including the search keyword extracted by said keyword extraction section, and acquire information concerning a plurality of websites found as a result of the search; a first site selection section configured to select top N websites from the plurality of websites found as a result of the search performed by said site search section, N being a predetermined integer greater than one; a second site selection section configured to access each of the N websites selected by said first site selection section to extract a written text from a web page of each of the N websites, and select two or more of the N websites as seed sites, the written text extracted from each of the seed sites containing so many instances of the search keyword as to exceed a predetermined threshold; and a reputation result acquisition section configured to collect written texts from the two or more seed sites selected by said second site selection section and subordinate websites linked to the seed sites, and acquire a reputation result of the content from the collected written texts.