I made some exercises a while ago but keep re-using them for SPARQL tutorials and hands on sessions. I now moved them to a new webpage. This page presents SPARQL queries in increasing complexity that one can copy-paste into the interactive query field of the Dutch Ships and Sailors live triple store.
Have fun with these Handson SPARQL excercises (updated May 2017)
Below you can also find the slides I used this tuesday for a workshop around Linked Data, Dutch Ships and Sailors and SPARQL, which form the introduction to the handson session.