# generic prefixes
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix xsd: <http://www.w3.org/2001/XMLSchema#>

# bsfs prefixes
prefix bsfs: <http://bsfs.ai/schema/>
prefix bsm: <http://bsfs.ai/schema/Meta#>

# literals
xsd:integer rdfs:subClassOf bsfs:Literal .

# predicates
bsm:t_created rdfs:subClassOf bsfs:Predicate ;
    rdfs:domain bsfs:Node ;
    rdfs:range xsd:integer ;
    bsfs:unique "true"^^xsd:boolean .