<?xml version="1.0"?> <rdf:RDF xmlns="http://purl.obolibrary.org/obo/bfo/core-classes.owl#" xml:base="http://purl.obolibrary.org/obo/bfo/core-classes.owl" xmlns:obo="http://purl.obolibrary.org/obo/" xmlns:xsd="http://www.w3.org/2001/XMLSchema#" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:owl="http://www.w3.org/2002/07/owl#"> <owl:Ontology rdf:about="http://purl.obolibrary.org/obo/bfo/all.owl"> <owl:imports rdf:resource="http://purl.obolibrary.org/obo/bfo/core-classes.owl"/> <owl:imports rdf:resource="http://purl.obolibrary.org/obo/bfo/core-relations.owl"/> <owl:imports rdf:resource="http://purl.obolibrary.org/obo/bfo/granularity-classes.owl"/> <owl:imports rdf:resource="http://purl.obolibrary.org/obo/bfo/region-classes.owl"/> </owl:Ontology> </rdf:RDF>