Using a survey, we gathered requirements for a Protégé plug-in called ChImp (Change Impact). Here, you can find the requirements survey.
We visualize changes and their impact at real-time. Our implementation is easily extendable and very responsive. Here is the repository.
Using a Protégé plug-in called ChImp, we investigate the awareness on consequences of ontology changes with an in-depth user study with ontology engineers.