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

# common bsfs prefixes
prefix bsfs: <http://bsfs.ai/schema/>
prefix bse: <http://bsfs.ai/schema/Entity#>

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

# common definitions
xsd:string rdfs:subClassOf bsfs:Literal .

bse:filename rdfs:subClassOf bsfs:Predicate ;
    rdfs:domain bsfs:Entity ;
    rdfs:range xsd:string ;
    bsfs:unique "false"^^xsd:boolean .