fixed bugs with add Property

Author: kevinchekovfeeney

lib/woql.js

@@ -94,6 +94,15 @@ WOQLQuery.prototype.loadDefaultVocabulary = function(){
 	vocab.type = "rdf:type";
 	vocab.label = "rdfs:label";
 	vocab.Class = "owl:Class";
+	vocab.DatatypeProperty = "owl:DatatypeProperty"; 
+	vocab.ObjectProperty = "owl:ObjectProperty"; 
+	vocab.Entity = "tcs:Entity"; 
+	vocab.Document = "tcs:Document"; 
+	vocab.Relationship = "tcs:Relationship"; 
+	vocab.temporality = "tcs:temporality"; 
+	vocab.geotemporality = "tcs:geotemporality"; 
+	vocab.geography = "tcs:geography"; 
+	vocab.abstract = "tcs:abstract"; 
 	vocab.comment = "rdfs:comment";
 	vocab.range = "rdfs:range";
 	vocab.domain = "rdfs:domain";
@@ -658,7 +667,8 @@ WOQLQuery.prototype.addClass = function(c, graph){
 }
 
 WOQLQuery.prototype.addProperty = function(p, t, g){
-	if(p && t){
+	t = (t ? t : "xsd:string");
+	if(p){
 		graph = (g ? this.cleanGraph(g) : "db:schema");
 		p = (p.indexOf(":") == -1) ?  "scm:" + p : p;
 		t = (t.indexOf(":") == -1) ? this.cleanType(t) : t ;