Method, Device and Program for extract keywords from contents and recommend contents using extracted kewords

摘要

The present invention relates to a method of extracting keywords from content and recommending content using the extracted keywords. Keywords related to content are automatically extracted using a keyword extraction rule, set as representative keywords, and inputted from a user. There is an effect of searching for content having a keyword as a representative keyword, and expressing the retrieved content together with the representative keyword set for each content so that the user can select one of the representative keywords expressed again to search for the content.