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