[x] run queries in virtuoso

- It does work but I don't think this db is very
  production-ready/friendly

- It does show that the dataset works as it is
  distributed. So it should work in other DBs as
  well.

timeline/week18.txt

 Week 17 (20.04.-26.04.)
 =======================
 
-[ ] familiarize yourself w/ some tooling
+[~] familiarize yourself w/ some tooling
 
-	[ ] run all queries from ulo paper in virtuoso
+	[x] run all queries from ulo paper in virtuoso
 
 	[ ] import all data into graphdb