This is Perl module Data::Model. INSTALLATION Data::Model installation is straightforward. If your CPAN shell is set up, you should just be able to do % cpan Data::Model Download it, unpack it, then build it as per the usual: % perl Makefile.PL % make && make test Then install it: % make install DOCUMENTATION Data::Model documentation is available as in POD. So you can do: % perldoc Data::Model to read the documentation online with your favorite pager. Kazuhiro Osawa