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