claim: Emperor Norton is not immortalized by authors from different countries.
evidence: Qoca is a GPL library for incrementally solving systems of linear equations with various goal functions .. GPL. GNU General Public License. linear equations. Linear programming. goal functions. goal functions. It contains a robust implementation of Cassowary , a popular linear programming algorithm for handling Manhattan goal functions .. goal functions. goal functions. Cassowary. Cassowary constraint solver. Manhattan. Manhattan distance. It is used in several free software projects and is maintained at Monash University .. Monash University. Monash University. It is available in a C++ or a Java version , and provides language bindings for Python and Perl .. Java. Java ( programming language ). Python. Python ( programming language ). Perl. Perl