Ejemplo n.º 1
0
    def __retrieve_property_values(self, uri, new_property_labels):
        if uri is None:
            return None
        query = "PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> "
        query += "SELECT ?p ?o WHERE { <%s> ?p_tmp ?o. ?p_tmp rdfs:label ?p }" % uri

        self.__sparql.setQuery(query)
        results = self.__sparql.query().convert()

        result_dict = {}
        for row in results["results"]["bindings"]:
            property_label = clean_with_unders(row["p"]["value"])

            if property_label in new_property_labels:
                result_dict[property_label] = row["o"]["value"]

        return result_dict
Ejemplo n.º 2
0
    def __get_properties_query(self):
        query = "PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> PREFIX dbo: <http://dbpedia.org/ontology/>  "
        query += "SELECT DISTINCT ?property_label WHERE { "
        query += "{ "
        query += "?property rdfs:domain ?class. "
        query += "dbo:%s rdfs:subClassOf+ ?class. " % self.__entity_type
        query += "} UNION {"
        query += "?property rdfs:domain dbo:%s" % self.__entity_type
        query += "} "
        query += "?property rdfs:label ?property_label. "
        query += "FILTER (langMatches(lang(?property_label), \"EN\")). }"

        self.__sparql.setQuery(query)
        results = self.__sparql.query().convert()

        if len(results["results"]["bindings"]) == 0:
            return None
        property_labels = [clean_with_unders(row["property_label"]["value"])
                           for row in results["results"]["bindings"]]

        return property_labels
Ejemplo n.º 3
0
 def test_clean_with_unders(self):
     string = "ahdsf. a?"
     string_with_unders = clean_with_unders(string)
     self.assertEqual(string_with_unders, "ahdsf_a")