view rdfpy/writeMIRToolboxOnto.py @ 0:62d2c72e4223

initial commit

import rdflib, os
from rdflib import Graph, RDF, RDFS, plugin, URIRef, Literal, OWL, Namespace

basedir = '/Users/alo/MusicOntology/features/'

local = 'http://sovarr.c4dm.eecs.qmul.ac.uk/features/'

DC = Namespace(u"http://purl.org/dc/elements/1.1/")

graph = Graph()
graph.bind('af', URIRef(local))
graph.bind('dc', URIRef('http://purl.org/dc/elements/1.1/'))
graph.bind('owl', URIRef('http://www.w3.org/2002/07/owl#'))

graph.add((
    URIRef(''),
    RDF.type,
    OWL.Ontology
))

graph.add((
    URIRef(''),
    DC['title'],
    Literal("MIR Toolbox Ontology")
))

graph.add((
    URIRef(''),
    OWL.versionInfo,
    Literal("Version 0.1")
))

graph.add((
    URIRef(''),
    DC['description'],
    Literal("This is an ontology derived from MIR Toolbox for the Audio Features engineering process")
))

source = Graph()
source.parse(basedir+'rdfonto/af-MIRToolbox.rdf')

graph.add((
    URIRef(local+'Operator'),
    RDF.type,
    OWL.Class
))
graph.add((
    URIRef(local+'FeatureExtractor'),
    RDF.type,
    OWL.Class
))
graph.add((
    URIRef(local+'HighLevelFeature'),
    RDF.type,
    OWL.Class
))

for name in ['Structure', 'Statistics', 'Predictions', 'Similarity']:
    idref = URIRef(local+name)
    graph.add((
        idref,
        RDF.type,
        OWL.Class
    ))
    graph.add((
        idref,
        RDFS.subClassOf,
        URIRef(local+'HighLevelFeature')
    ))
    

for name in ['Dynamics', 'Rhythm', 'Timbre', 'Pitch', 'Tonality']:
    idref = URIRef(local+name+'FeatureExtractor')
    graph.add((
        idref,
        RDF.type,
        OWL.Class
    ))
    graph.add((
        idref,
        RDFS.subClassOf,
        URIRef(local+'FeatureExtractor')
    ))

for su in source.subjects(RDF.type, RDFS.Resource):
    idref = URIRef(local + su.split('/')[-1])
    graph.add((
        idref,
        RDF.type,
        OWL.Class
    ))
    
    count=sum(1 for _ in source.objects(su, URIRef(local+'tag')))
    
    if count == 1:
        for it in source.objects(su, URIRef(local+'tag')):
            graph.add((
                idref,
                RDFS.subClassOf,
                URIRef(local+it+'FeatureExtractor')
            ))
    
    count = sum(1 for _ in source.objects(su, URIRef(local+'group')))

    if count == 1:
        for it in source.objects(su, URIRef(local+'group')):
            graph.add((
                idref,
                RDFS.subClassOf,
                URIRef(local+it)
            ))

    count=sum(1 for _ in source.objects(su, URIRef(local+'type')))
    
    if count == 1:
        for it in source.objects(su, URIRef(local+'type')):
            if it == "Operator":
                graph.add((
                    idref,
                    RDFS.subClassOf,
                    URIRef(local+it)
                ))

graph.serialize(basedir + 'rdfonto/MIR-onto.rdf')
graph.serialize(basedir + 'rdfonto/MIR-onto.n3', format='n3')