Distribution server

A method for controlling a distribution server for distributing electronic book data via a network the distribution server storing, in relation to a book, body text information written in said book and additional information associated with at least a part of said body text information, comprising:

• receiving an acquisition request transmitted from a user terminal for the electronic book data in relation to said book;
• determining, based upon identification information received in said acquisition request, whether or not a user associated with the acquisition request has purchased said book;
• determining a type of the user terminal based upon the acquisition request for said electronic book data when it is determined that said user has purchased said book;
• and
• distributing the electronic book data in relation to said book to the user terminal,
• said distributing the electronic book data to the user terminal including:
• extracting said additional information contained in said electronic book data on the basis of a determination result of the type of said terminal;
• and
• distributing, to the user terminal, the electronic book data containing said body text information and said additional information or the electronic book data containing only said additional information on the basis of the determination result of the type of said user terminal.

A non-transitory recording medium recorded with a program for controlling a computer of a distribution server for distributing electronic book data, the distribution server storing in relation to a book, body text information written in said book and additional information associated with at least a part of said body text information,

• said program being configured to cause said computer to execute a process including:
• receiving an acquisition request transmitted from a user terminal for the electronic book data in relation to said book;
• determining whether or not said user has purchased said book based upon the acquisition request for the electronic book data in relation to said book;
• determining a type of the user terminal based upon the acquisition request for said electronic book data when it is determined that said user has purchased said book;
• and
• distributing, to the user terminal, the electronic book data in relation to said book,
• said distributing the electronic book data to the user terminal including:
• extracting said additional information contained in said electronic book data on the basis of a determination result of the type of said terminal;
• and
• distributing, to the user terminal, the electronic book data containing said body text information and said additional information or the electronic book data containing only said additional information on the basis of the determination result of the type of said user terminal.