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

# common bsfs prefixes
prefix bsfs: <http://schema.bsfs.io/core/>
prefix bse: <http://schema.bsfs.io/core/Node/Entity#>

# essential nodes
bsfs:Entity rdfs:subClassOf bsfs:Node .

# common definitions
bsfs:Number rdfs:subClassOf bsfs:Literal .
xsd:integer rdfs:subClassOf bsfs:Number .

bse:filesize rdfs:subClassOf bsfs:Predicate ;
    rdfs:domain bsfs:Entity ;
    rdfs:range xsd:integer ;
    bsfs:unique "true"^^xsd:boolean .