Handle the issue of the same university or company at different places.

Author: Pham Minh Duc

src/main/java/ldbc/snb/datagen/serializer/snb/interactive/TurtleInvariantSerializer.java

@@ -76,16 +76,25 @@ protected void serialize(final Place place) {
     protected void serialize(final Organization organization) {
         StringBuffer result = new StringBuffer(19000);
         if( organization.type == Organization.OrganisationType.company ) {
-            Turtle.writeDBPData(writers[FileNames.SOCIAL_NETWORK.ordinal()],DBP.fullPrefixed(organization.name), RDF.type, DBPOWL.Company);
+            Turtle.writeDBPData(writers[FileNames.SOCIAL_NETWORK.ordinal()], SN.getCompURI(organization.id), RDF.type, DBPOWL.Company);
+	    Turtle.writeDBPData(writers[FileNames.SOCIAL_NETWORK.ordinal()], SN.getCompURI(organization.id), SNVOC.url, DBP.fullPrefixed(organization.name));
+            Turtle.writeDBPData(writers[FileNames.SOCIAL_NETWORK.ordinal()], SN.getCompURI(organization.id), FOAF.Name,
+                Turtle.createLiteral(organization.name));
+            Turtle.createTripleSPO(result, SN.getCompURI(organization.id),
+                SNVOC.locatedIn, DBP.fullPrefixed(Dictionaries.places.getPlaceName(organization.location)));
+            Turtle.createTripleSPO(result, SN.getCompURI(organization.id), SNVOC.id, 
+		Turtle.createDataTypeLiteral(Long.toString(organization.id), XSD.Int));
         } else {
-            Turtle.writeDBPData(writers[FileNames.SOCIAL_NETWORK.ordinal()], DBP.fullPrefixed(organization.name), RDF.type, DBPOWL.University);
-        }
-        Turtle.writeDBPData(writers[FileNames.SOCIAL_NETWORK.ordinal()], DBP.fullPrefixed(organization.name), FOAF.Name,
+            Turtle.writeDBPData(writers[FileNames.SOCIAL_NETWORK.ordinal()], SN.getUnivURI(organization.id), RDF.type, DBPOWL.University);
+	    Turtle.writeDBPData(writers[FileNames.SOCIAL_NETWORK.ordinal()], SN.getUnivURI(organization.id), SNVOC.url, DBP.fullPrefixed(organization.name));
+            Turtle.writeDBPData(writers[FileNames.SOCIAL_NETWORK.ordinal()], SN.getUnivURI(organization.id), FOAF.Name,
                 Turtle.createLiteral(organization.name));
-        Turtle.createTripleSPO(result, DBP.fullPrefixed(organization.name),
+            Turtle.createTripleSPO(result, SN.getUnivURI(organization.id),
                 SNVOC.locatedIn, DBP.fullPrefixed(Dictionaries.places.getPlaceName(organization.location)));
-        Turtle.createTripleSPO(result, DBP.fullPrefixed(organization.name), SNVOC.id, 
+            Turtle.createTripleSPO(result, SN.getUnivURI(organization.id), SNVOC.id, 
 		Turtle.createDataTypeLiteral(Long.toString(organization.id), XSD.Int));
+        }
+
         writers[FileNames.SOCIAL_NETWORK.ordinal()].write(result.toString());
     }
 

src/main/java/ldbc/snb/datagen/serializer/snb/interactive/TurtlePersonSerializer.java

@@ -144,7 +144,7 @@ protected void serialize(final StudyAt studyAt) {
         long id = SN.formId(studyAtId);
         Turtle.createTripleSPO(result, prefix, SNVOC.studyAt, SN.getStudyAtURI(id));
         Turtle.createTripleSPO(result, SN.getStudyAtURI(id), SNVOC.hasOrganisation,
-                DBP.fullPrefixed(Dictionaries.universities.getUniversityName(studyAt.university)));
+                SN.getUnivURI(studyAt.university));
         String yearString = Dictionaries.dates.formatYear(studyAt.year);
         Turtle.createTripleSPO(result, SN.getStudyAtURI(id), SNVOC.classYear,
                 Turtle.createDataTypeLiteral(yearString, XSD.Integer));
@@ -159,7 +159,7 @@ protected void serialize(final WorkAt workAt) {
         long id = SN.formId(workAtId);
         Turtle.createTripleSPO(result, prefix, SNVOC.workAt, SN.getWorkAtURI(id));
         Turtle.createTripleSPO(result, SN.getWorkAtURI(id), SNVOC.hasOrganisation,
-                DBP.fullPrefixed(Dictionaries.companies.getCompanyName(workAt.company)));
+                SN.getCompURI(workAt.company));
         String yearString = Dictionaries.dates.formatYear(workAt.year);
         Turtle.createTripleSPO(result, SN.getWorkAtURI(id), SNVOC.workFrom,
                 Turtle.createDataTypeLiteral(yearString, XSD.Integer));

src/main/java/ldbc/snb/datagen/vocabulary/SN.java

@@ -141,6 +141,14 @@ public static String getWorkAtURI(long id) {
         return BLANK_NODE + "work" + String.format("%020d", id );
     }
 
+    public static String getUnivURI(long id) {
+        return BLANK_NODE + "uni" + String.format("%06d", id);
+    }
+
+    public static String getCompURI(long id) {
+        return BLANK_NODE + "com" + String.format("%06d", id);
+    }
+
     public static String getKnowsURI(long id) {
         return BLANK_NODE + "knows" + String.format("%020d", id);
     }