From 80db0bde34078dfce5f27cab281db5ba81a08b3a Mon Sep 17 00:00:00 2001
From: Erika Pauwels <erika.pauwels@gmail.com>
Date: Tue, 20 Nov 2018 16:57:43 +0100
Subject: [PATCH] Add datatype for int, decimal, double and boolean on
 serialization

---
 src/rdfa-graph.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/rdfa-graph.js b/src/rdfa-graph.js
index af18dc1..eb8223c 100644
--- a/src/rdfa-graph.js
+++ b/src/rdfa-graph.js
@@ -378,7 +378,7 @@ export class RDFaPredicate {
                    this.objects[i].type=="http://www.w3.org/2001/XMLSchema#decimal" ||
                    this.objects[i].type=="http://www.w3.org/2001/XMLSchema#double" ||
                    this.objects[i].type=="http://www.w3.org/2001/XMLSchema#boolean") {
-           s += this.objects[i].value;
+          s +=  '"' + this.objects[i].value + '"' + "^^<" + this.objects[i].type + ">";
         } else if (this.objects[i].type=="http://www.w3.org/1999/02/22-rdf-syntax-ns#XMLLiteral") {
            var serializer = new XMLSerializer();
            var value = "";