demo.py

import rdflib

raw = """
<rdf:RDF
    xmlns:vitro-public="http://vitro.mannlib.cornell.edu/ns/vitro/public#"
    xmlns:c4o="http://purl.org/spar/c4o/"
    xmlns:ero="http://purl.obolibrary.org/obo/"
    xmlns:pvs="http://vivoweb.org/ontology/provenance-support#"
    xmlns:owl2="http://www.w3.org/2006/12/owl2-xml#"
    xmlns:scirr="http://vivoweb.org/ontology/scientific-research-resource#"
    xmlns:vivo="http://vivoweb.org/ontology/core#"
    xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
    xmlns:bibo="http://purl.org/ontology/bibo/"
    xmlns:afn="http://jena.hpl.hp.com/ARQ/function#"
    xmlns:foaf="http://xmlns.com/foaf/0.1/"
    xmlns:scires="http://vivoweb.org/ontology/scientific-research#"
    xmlns:dcterms="http://purl.org/dc/terms/"
    xmlns:xsd="http://www.w3.org/2001/XMLSchema#"
    xmlns:geo="http://aims.fao.org/aos/geopolitical.owl#"
    xmlns:skco="http://www.w3.org/2004/02/skos/core#"
    xmlns:event="http://purl.org/NET/c4dm/event.owl#"
    xmlns:dcelem="http://purl.org/dc/elements/1.1/"
    xmlns:vitro="http://vitro.mannlib.cornell.edu/ns/vitro/0.7#"
    xmlns:vann="http://purl.org/vocab/vann/"
    xmlns:skos="http://www.w3.org/2008/05/skos#"
    xmlns:swvs="http://www.w3.org/2003/06/sw-vocab-status/ns#"
    xmlns:owl="http://www.w3.org/2002/07/owl#"
    xmlns:fabio="http://purl.org/spar/fabio/"
    xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#">
    <rdf:Description rdf:about="http://vivo.iu.edu/individual/n4898">
        <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Thing"/>
        <rdf:type rdf:resource="http://vivoweb.org/ontology/core#InformationResource"/>
        <rdf:type rdf:resource="http://purl.org/ontology/bibo/Document"/>
        <rdf:type rdf:resource="http://vivoweb.org/ontology/core#Review"/>
        <rdf:type rdf:resource="http://purl.org/ontology/bibo/Article"/>
        <bibo:cites rdf:resource="http://vivo.iu.edu/individual/n9999"/>
        <vivo:title>Review of Licensing Digital Content: A Practical Guide for Librarians</vivo:title>
        <vitro:mostSpecificType rdf:resource="http://vivoweb.org/ontology/core#Review"/>
    </rdf:Description>
</rdf:RDF>
"""

model = rdflib.Graph()
model.parse(data=raw)

query = """
PREFIX  vivo: <http://vivoweb.org/ontology/core#>
PREFIX  bibo: <http://purl.org/ontology/bibo/>
SELECT ?title
WHERE {
    ?resource a bibo:Document .
    ?resource vivo:title ?title .
}
"""

results = model.query(query)

for row in results:
    print row