In an information distributing method, an information providing resource
receives from an information user unit a request statement including a
code to identify first information and information (URI) to identify
second information quoted in the first information. According to the
identifying information of the second information included in the request
statement, the information providing resource determines whether or not
transmission of the second information to an information providing unit
is allowed. The information providing side can control the operation in
which the second information thereof is quoted to be opened in the first
information.