tika-parsers/tika-parsers-standard/tika-parsers-standard-package/src/test/resources/test-documents/testGRAPHVIZg.dot

// C++-style comments allowed,
// see http://www.graphviz.org/content/dot-language
graph {
   apache -- tika;
   apache -- poi;
   apache -- commons;
   tika -- poi;
}