@base <http://example.org/> .
# Define prefixes for namespaces (optional but common practice)
@prefix ex: <http://example.org/ns#> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
# Relative IRIs resolve against the base
<about> a foaf:Document ;
foaf:title "An Example Document" ;
foaf:maker <people/john-doe> .
# Use a prefix to reference another IRI
ex:item123 a ex:Product ;
ex:price "19.99"^^<http://www.w3.org/2001/XMLSchema#decimal> ;
ex:availableAt <store> .
# Fully qualified IRIs are unaffected by the base
<http://another.example.org/resource> ex:relatedTo ex:item123 .