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