. . . . "2004-09-30Z"^^ . . "1.3.1" . . "LEMON is an open source graph library written in the C++ language providing implementations of common data structures and algorithms with focus on combinatorial optimization tasks connected mainly with graphs and networks. The library is part of the COIN-OR project.LEMON is an abbreviation of Library for Efficient Modeling and Optimization in Networks."@en . . . . . "2014-07-07Z"^^ .