| ## Licensed under the terms of http://www.apache.org/licenses/LICENSE-2.0 | |
| PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> | |
| PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> | |
| PREFIX : <http://example/> | |
| :s :p1 :o . | |
| <<:s :p1 :o>> :q1 :z1 . | |
| << <<:s :p1 :o>> :q1 :z1 >> :q1 :z1 . | |
| :s :p2 :o . |