Editors: Ulrik Brandes ulrik.brandes@uni-konstanz.de, Markus Eiglsperger eiglsper@web.de, Jürgen Lerner lerner@inf.uni-konstanz.de Abstract GraphML Primer is a non-normative document intended to provide an easily readable description of the GraphML facilities, and is oriented towards quickly understanding how to create GraphML documents. This primer describes the language features through examples