+// GENERIC TYPES NOT AVAILABLE IN JCR
+[argeo:link] > mix:created, mix:lastModified
+mixin
+// URI(s)
+- argeo:uri (STRING) m
+
+[argeo:references] > nt:unstructured
+- * (REFERENCE) *
+
+// DATA MODEL
+[argeo:dataModel] > mix:created, mix:lastModified, mix:versionable
+mixin
+- argeo:uri (STRING) m
+- argeo:dataModelVersion (STRING) m
+