<http://example.org/a/b> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://example.org/Thing> .
<http://example.org/a/b/c> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://example.org/Thing> .
<http://example.org/a/num0num> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://example.org/Thing> .
<http://example.org/a/under_under> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://example.org/Thing> .
<http://example.org/a/dash-dash> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://example.org/Thing> .
<http://example.org/a/.invalidname.> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://example.org/Thing> .
