@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix : <http://other.example.org/ns#> .

@base <http://example.org/ns/> .
# In-scope base URI is http://example.org/ns/ at this point
<a1> a rdfs:Resource .
<a1> :b4 <c1> .

@base <http://example.org/ns/foo/> .
# In-scope base URI is http://example.org/ns/foo/ at this point
<a2> a rdfs:Resource .
<a2> :b4 <c1> .

@prefix woo: <bar#> .
woo:a3 a rdfs:Resource .
woo:a3 :b4 woo:c3 .
