Screen shots from the Common Lisp version of the Knowledge Graph Navigator app for macOS:
A random test query is provided when the app opens.
This provides occasional examples for the queries you enter. Common Lisp version.
The app will recognize entities in queries and confirm with the user (you!)
that it has found the correct entities. Common Lisp version.
The message collection pane shows generated SPARQL queries that the app uses
to process your query. The results pane show information found. Common Lisp version.