def get_information(self):
"""
Get the information from triple store
"""
query = """
PREFIX es: <http://www.semanticweb.org/ontologies/2018/Software_Engineering/>
PREFIX dc: <http://purl.org/dc/elements/1.1/>
SELECT DISTINCT ?title ?curriculum
WHERE {
es:Computing_Foundations dc:title ?title .
es:Computing_Foundations rdfs:subClassOf ?restriction .
?restriction owl:onProperty es:isKnowledgeAreaOf .
?restriction owl:someValuesFrom ?curriculum_url .
?curriculum_url dc:title ?curriculum
}
"""
result = Query.run(Sesame.endpoint, query)
return result[0]
def get_disciplines(self, predicate, obj):
"""
Get the data from triple store.
"""
query = """
PREFIX pp: <http://www.semanticweb.org/ontologies/2018/Pedagogical_Project/>
PREFIX dc: <http://purl.org/dc/elements/1.1/>
SELECT DISTINCT ?disciplines ?code ?title ?description ?type ?semester ?core_content
WHERE {
?disciplines %s %s .
?disciplines dc:title ?title .
OPTIONAL {?disciplines dc:description ?description .}
OPTIONAL {?disciplines pp:code ?code .}
OPTIONAL {?disciplines pp:hasType ?type_uri .}
OPTIONAL {?type_uri dc:title ?type .}
OPTIONAL {?disciplines pp:isInTheFlowOf ?semester_uri .}
OPTIONAL {?semester_uri dc:title ?semester .}
OPTIONAL {?disciplines pp:isPartOf ?core_content_uri}
OPTIONAL {?core_content_uri dc:title ?core_content}
}
""" % (predicate, obj)
result = Query.run(Sesame.endpoint, query)
disciplines = []
for discipline in result:
obj = Discipline(uri=discipline['disciplines']['value'],
title=discipline['title']['value'],
code=discipline['code']['value'],
description=discipline['description']['value'],
classification=discipline['type']['value'],
semester=discipline['semester']['value'],
core_content=discipline['core_content']['value'])
disciplines.append(obj)
return disciplines
def get_contents(cls, discipline_uri):
"""
Get content disciplines from triple store.
"""
query = """
PREFIX pp: <http://www.semanticweb.org/ontologies/2018/Pedagogical_Project/>
PREFIX dc: <http://purl.org/dc/elements/1.1/>
SELECT DISTINCT ?content_uri ?title
?topic_uri ?topic
?knowledge_uri ?knowledge
WHERE {
<%s> pp:hasContent ?content_uri .
?content_uri dc:title ?title .
?content_uri rdfs:subClassOf ?topic_uri .
?topic_uri dc:title ?topic .
?topic_uri rdfs:subClassOf ?knowledge_uri .
?knowledge_uri dc:title ?knowledge
}
""" % (discipline_uri)
result = Query.run(Sesame.endpoint, query)
contents = []
for content in result:
knowledge = Knowledge(uri=content['knowledge_uri']['value'],
title=content['knowledge']['value'])
topic = Topic(uri=content['topic_uri']['value'],
title=content['topic']['value'])
subtopic = Subtopic(uri=content['content_uri']['value'],
title=content['title']['value'],
topic=topic,
knowledge=knowledge)
contents.append(subtopic)
return contents
def get_disciplines(self):
"""
Get all discipline of multidisciplinary content.
"""
query = """
PREFIX pp: <http://www.semanticweb.org/ontologies/2018/Pedagogical_Project/>
PREFIX dc: <http://purl.org/dc/elements/1.1/>
SELECT DISTINCT ?title
WHERE {
?disciplines pp:isPartOf pp:Multidisciplinary ;
dc:title ?title
}
"""
result = Query.run(Sesame.endpoint, query)
disciplines = []
for discipline in result:
discipline = Discipline(discipline['title']['value'])
disciplines.append(discipline)
return disciplines
SELECT DISTINCT ?resumo
WHERE {
dbr:Software_engineering dbo:abstract ?resumo
FILTER (lang(?resumo) = 'pt')
}
"""
query_unb = """
SELECT DISTINCT ?sigla ?nome ?cidade ?pais ?estado ?site ?resumo
WHERE {
dbr:University_of_Brasília dbp:sigla ?sigla ;
rdfs:label ?nome ;
foaf:homepage ?site ;
dbo:abstract ?resumo ;
dbo:city ?city .
?city rdfs:label ?cidade .
dbr:University_of_Brasília dbo:country ?country .
?country rdfs:label ?pais .
dbr:University_of_Brasília dbo:state ?state .
?state rdfs:label ?estado .
FILTER (lang(?resumo) = 'pt')
FILTER (lang(?cidade) = 'pt')
FILTER (lang(?pais) = 'pt')
FILTER (lang(?estado) = 'pt')
FILTER (lang(?nome) = 'pt')
}
"""
print(Query.run("http://dbpedia.org/sparql", query_unb))
