See https://github.com/mlhartme/graph.
'net.oneandone:graph:1.0.0'
<dependency>
<groupId>net.oneandone</groupId>
<artifactId>graph</artifactId>
<version>1.0.0</version>
</dependency>
<dependency org="net.oneandone" name="graph" rev="1.0.0"/>
"net.oneandone", "graph", "1.0.0"