Add the following repository section to your project in order to get access to the models:
If you have a multi-module project, it is sufficient to add this section to the POM of the top-level project.
Configuring Maven for full access to the UKP Maven Repository
We have set up a Maven repository which provides third-party libraries that are not available via Maven Central as well as SNAPSHOT versions our open source projects. To use this repository, we suggest you use the settings.xml in the hidden subdirectory .m2 of your home directory and augment it with the following sections: