I recently went through "Getting Started: Part 2" tutorial.
It's easy to understand that to create a database, we can load schema first, before loading real data.
However, I am not sure about the format of movie data turtle file.
Why everything within <> starts with http://api.stardog.com?
<http://api.stardog.com/nm0001273> a <http://api.stardog.com/Actor> ; <http://api.stardog.com/hasName> "Lillian Gish" .