From f48aa61f4add4251eeb0a8b3c7dac53d6309bb93 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Juli=C3=A1n=20Arenas-Guerrero?= <juliquiag@hotmail.com>
Date: Sat, 24 Sep 2022 16:10:46 +0200
Subject: [PATCH] add rdf:Statement

---
 queries/q15/q15-reification.rq | 1 +
 queries/q16/q16-reification.rq | 1 +
 queries/q17/q17-reification.rq | 1 +
 queries/q18/q18-reification.rq | 1 +
 4 files changed, 4 insertions(+)

diff --git a/queries/q15/q15-reification.rq b/queries/q15/q15-reification.rq
index 13a7dde..04e2413 100644
--- a/queries/q15/q15-reification.rq
+++ b/queries/q15/q15-reification.rq
@@ -5,6 +5,7 @@ SELECT ?x ?y ?z
 WHERE {
   ?x a ub:GraduateStudent .
   ?x ub:takesCourse <http://www.department0.university0.edu/graduateCourse0> .
+  ?r a rdf:Statement .
   ?r rdf:subject ?x .
   ?r rdf:predicate ub:undergraduateDegreeFrom .
   ?r rdf:object ?y .
diff --git a/queries/q16/q16-reification.rq b/queries/q16/q16-reification.rq
index f2c7510..98e5db1 100644
--- a/queries/q16/q16-reification.rq
+++ b/queries/q16/q16-reification.rq
@@ -4,6 +4,7 @@ PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
 SELECT ?x ?y ?z ?w
 WHERE {
   ?x a ub:GraduateStudent .
+  ?r a rdf:Statement .
   ?r rdf:subject ?x .
   ?r rdf:predicate ub:undergraduateDegreeFrom .
   ?r rdf:object ?y .
diff --git a/queries/q17/q17-reification.rq b/queries/q17/q17-reification.rq
index 65240e7..09a938c 100644
--- a/queries/q17/q17-reification.rq
+++ b/queries/q17/q17-reification.rq
@@ -3,6 +3,7 @@ PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
 
 SELECT ?x
 WHERE {
+  ?r a rdf:Statement .
   ?r rdf:subject <http://www.department14.university0.edu/graduateStudent106> .
   ?r rdf:predicate ub:undergraduateDegreeFrom .
   ?r rdf:object <http://www.university1.edu> .
diff --git a/queries/q18/q18-reification.rq b/queries/q18/q18-reification.rq
index dc4a029..e6c7119 100644
--- a/queries/q18/q18-reification.rq
+++ b/queries/q18/q18-reification.rq
@@ -4,6 +4,7 @@ PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
 
 SELECT ?x ?y ?z
 WHERE {
+  ?r a rdf:Statement .
   ?r rdf:subject ?x .
   ?r rdf:predicate ?y .
   ?r rdf:object ?z .