A book recommendation method using similarity between books

摘要

Disclosed is a book recommendation method using similarity between books. According to an aspect of the present invention, provided is the book recommendation method based on similarity between books. The book recommendation method comprises: (1) a step in which a book recommendation server receives book data for a plurality of books including at least one among a title of a book, a body text of a book, and introduction information of a book; (2) a step in which the book recommendation server extracts one or more keywords from the book data on the basis of a word frequency and a reverse document frequency (term frequency - inverse document frequency); (3) a step in which the book recommendation server calculates similarity between a keyword of a first book and a keyword of a second book; and (4) a step in which the book recommendation server outputs at least one similar book similar to the first book according to the similarity.