diff --git a/sparql-anything-docs/src/main/java/io/github/sparqlanything/docs/DocxTriplifier.java b/sparql-anything-docs/src/main/java/io/github/sparqlanything/docs/DocxTriplifier.java
index 5558188f..711a6799 100644
--- a/sparql-anything-docs/src/main/java/io/github/sparqlanything/docs/DocxTriplifier.java
+++ b/sparql-anything-docs/src/main/java/io/github/sparqlanything/docs/DocxTriplifier.java
@@ -62,7 +62,7 @@ public void triplify(Properties properties, FacadeXGraphBuilder builder) throws
 		try (XWPFDocument document = new XWPFDocument(is)) {
 			List<XWPFParagraph> paragraphs = document.getParagraphs();
 
-			builder.addType(dataSourceId, SPARQLAnythingConstants.ROOT_ID, namespace + "Document");
+			builder.addType(dataSourceId, SPARQLAnythingConstants.ROOT_ID,  "Document");
 
 			int count = 1;
 			if (!mergeParagraphs) {
@@ -72,10 +72,10 @@ public void triplify(Properties properties, FacadeXGraphBuilder builder) throws
 					if (para.getStyle() != null) {
 						paragraphId = "/".concat(Triplifier.toSafeURIString(para.getStyle())).concat("/").concat(String.valueOf(count)) ;
 						builder.addType(dataSourceId, paragraphId,
-								namespace + Triplifier.toSafeURIString(para.getStyle()));
+								 Triplifier.toSafeURIString(para.getStyle()));
 					} else {
 						paragraphId ="/paragraph/".concat(String.valueOf(count));
-						builder.addType(dataSourceId, paragraphId, namespace + "Paragraph");
+						builder.addType(dataSourceId, paragraphId,  "Paragraph");
 					}
 					
 
diff --git a/sparql-anything-markdown/src/main/java/io/github/sparqlanything/markdown/MARKDOWNTriplifier.java b/sparql-anything-markdown/src/main/java/io/github/sparqlanything/markdown/MARKDOWNTriplifier.java
index 76cd3a5e..ce12198f 100644
--- a/sparql-anything-markdown/src/main/java/io/github/sparqlanything/markdown/MARKDOWNTriplifier.java
+++ b/sparql-anything-markdown/src/main/java/io/github/sparqlanything/markdown/MARKDOWNTriplifier.java
@@ -155,7 +155,7 @@ private String handleContainer(Node node){
 		String containerId = String.join("/", parentId , node.getClass().getSimpleName().toLowerCase() , Integer.toString(counter));
 		this.typeCounter.put(node.getClass(), counter);
 		this.builder.addContainer(dataSourceId, parentId, slot, containerId);
-		this.builder.addType(dataSourceId, containerId, XYZ_NS + node.getClass().getSimpleName());
+		this.builder.addType(dataSourceId, containerId,  node.getClass().getSimpleName());
 		this.lastSlot.put(parentId, slot);
 		this.containers.put(node, containerId);
 		this.lastSlot.put(containerId, 0);
diff --git a/sparql-anything-model/src/main/java/io/github/sparqlanything/model/BaseFacadeXBuilder.java b/sparql-anything-model/src/main/java/io/github/sparqlanything/model/BaseFacadeXBuilder.java
index cbbb7f4e..21273452 100644
--- a/sparql-anything-model/src/main/java/io/github/sparqlanything/model/BaseFacadeXBuilder.java
+++ b/sparql-anything-model/src/main/java/io/github/sparqlanything/model/BaseFacadeXBuilder.java
@@ -59,7 +59,7 @@ public boolean addContainer(String dataSourceId, String containerId, Integer slo
 	}
 
 	public boolean addType(String dataSourceId, String containerId, String typeId) {
-		return add(dataSourceId2node(dataSourceId), container2node(containerId, dataSourceId), RDF.type.asNode(), NodeFactory.createURI(typeId));
+		return add(dataSourceId2node(dataSourceId), container2node(containerId, dataSourceId), RDF.type.asNode(), key2predicate(typeId));
 	}
 
 	public boolean addType(String dataSourceId, String containerId, URI type) {
diff --git a/sparql-anything-spreadsheet/src/main/java/io/github/sparqlanything/spreadsheet/SpreadsheetTriplifier.java b/sparql-anything-spreadsheet/src/main/java/io/github/sparqlanything/spreadsheet/SpreadsheetTriplifier.java
index 0deb402d..4e71e25a 100644
--- a/sparql-anything-spreadsheet/src/main/java/io/github/sparqlanything/spreadsheet/SpreadsheetTriplifier.java
+++ b/sparql-anything-spreadsheet/src/main/java/io/github/sparqlanything/spreadsheet/SpreadsheetTriplifier.java
@@ -163,7 +163,7 @@ private Object extractCellValue(Cell cell, boolean evaluateFormulas) {
 
 	private void extractCompositeCellValue(String dataSourceId, String containerId, Cell cell, boolean evaluateFormulas, FacadeXGraphBuilder builder, String namespace) {
 		if (cell == null) return;
-		builder.addType(dataSourceId, containerId, namespace + cell.getCellType().toString());
+		builder.addType(dataSourceId, containerId, cell.getCellType().toString());
 		switch (cell.getCellType()) {
 			case BOOLEAN:
 				builder.addValue(dataSourceId, containerId, 1, cell.getBooleanCellValue());