relationship_strength

def get_relationship_strength(self, entity):
        try:
            query = str(''' PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
                            prefix rn: <http://www.daslab.inf.puc-rio.br/ontologies/RelationshipNotes#>
                            select ?relation ?rest ?strength where {{
                                ?relation a rn:Relationship.
                                ?relation rdf:first <{}>.
                                ?relation rdf:rest ?rest.
                                ?relation rn:relationshipStrength ?strength.
                            }}
                            '''.format(entity))
            res = req.get(self.url + up.quote(query), auth=self.auth).json()
            strengths = {}
            for c in res['results']['bindings']:
                strengths[c['rest']['value']] = c['strength']['value']
            return strengths
        except Exception as e:
            Logger.log.error("Cannot query relationship strength, because: " + str(e), exc_info=True)
            return {}